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Last updated: 16.07.2010
#	Problem	Solution
HC20	Paul Răican, Romania HC20 ChessProblems.ca, 27.05.2010 ser-dia 17 (16+8) Relegation Chess	1.f2-f4 2.f4-f5 3.f5-f6 4.f6xe7 5.e7xf8=S 6.Sf8-g6 7.Sg6xh8 8.Sh8xf7 9.Sf7xd8 10.Sd8-c6 11.Sc6xa7 12.Sa7xc8 13.Sc8-e7 14.Se7xg8 15.Sg8-h6 16.Sh6-g4 17.Sg4-f2=wP A new attempt for a pawn-circuit in a series Proof Game! Two days ago Paul cooked Arno Tüngler's ser-dia 20, Relegation Chess, feenschach 142, p. 197, 07/2001, after M. Velucchi (fs 7978) - PDB P1003869.
HC18	Paul Răican Romania HC18 ChessProblems.ca, 08.05.2010 phser-dia 13 (15+13)	1.c2-c3 2.Qd1-b3 3.Qb3b7 4.Qb7b8 5.Qb8-b4 6.Qb4e7 + Ke8e7 7.b2-b4 8.b4-b5 9.b5-b6 10.b6-b7 11.b7-b8=Q 12.Qb8-b5 13.Qb5-e5 dia Pure mate in a non-dualistic phser-dia n. Loyd's mate and Ceriani-Frolkin Q theme.
HC17	Arno Tüngler Germany HC17 ChessProblems.ca, 04.05.2010 ser-h+ 38 (9+8) C+	1.Kh4-h5 2.Kh5-h6 3.Kh6-h7 4.Kh7-g8 5.Kg8-f8 6.Kf8-e8 7.Ke8-d7 8.Kd7-c6 9.Kc6-b6 10.Kb6-a5 11.Ka5-b4 12.Kb4-c3 13.Kc3-d2 14.Kd2-e1 15.Ke1-f1 16.Kf1g1 17.Kg1-f1 18.Kf1-e1 19.Ke1-d2 20.Kd2-c3 21.Kc3-b4 22.Kb4-a5 23.Ka5-b6 24.Kb6-c6 25.Kc6-d7 26.Kd7-e8 27.Ke8-f8 28.Kf8-g8 29.Kg8-h7 30.Kh7-h6 31.Kh6-h5 32.Kh5-h4 33.Kh4h3 34.Kh3-h4 35.Kh4-h5 36.Kh5-h6 37.Rh2-h5 38.Rh5-g5 f4*g5 + New series help-check length record for 17 units. Previous record: T. Petrović, MAT 1992, ser-h+ 34, k7/Bpp1p3/bN2P3/1N2p1p1/4P1P1/3K1P2/6Bb/8 ("398 Zuglängen Rekorde Im Serienzüger" No. 341). Table of records: lengthrecords.chessproblems.ca. PDB P1104907.
HC16	Arno Tüngler Germany HC16 ChessProblems.ca, 04.05.2010 ser-h+ 39 (10+8) C+	1.Kh5h4 2.Kh4-h5 3.Kh5-h6 4.Kh6-h7 5.Kh7-g8 6.Kg8-f8 7.Kf8-e8 8.Ke8-d7 9.Kd7-c6 10.Kc6-b6 11.Kb6-a5 12.Ka5-b4 13.Kb4-c3 14.Kc3-d2 15.Kd2-e1 16.Ke1-f1 17.Kf1g1 18.Kg1-f1 19.Kf1-e1 20.Ke1-d2 21.Kd2-c3 22.Kc3-b4 23.Kb4-a5 24.Ka5-b6 25.Kb6-c6 26.Kc6-d7 27.Kd7-e8 28.Ke8-f8 29.Kf8-g8 30.Kg8-h7 31.Kh7-h6 32.Kh6-h5 33.Kh5-h4 34.Kh4h3 35.Kh3-h4 36.Kh4-h5 37.Kh5-h6 38.Rh2-h5 39.Rh5-g5 f4g5 + New series help-check length record for 18 units. Previous record: ser-h+ 38, T. Petrović, version Arno Tüngler, HC2 ChessProblems.ca, 20.03.2010. Table of records: lengthrecords.chessproblems.ca. PDB P1104906.
HC15	Arno Tüngler Germany HC15 ChessProblems.ca, 04.05.2010 ser-h+ 32 (7+8) C+	1.Kh4-h5 2.Kh5-h6 3.Kh6-g7 4.Kg7-f8 5.Kf8-e7 6.Ke7-d6 7.Kd6-c5 8.Kc5-b4 9.Kb4-c3 10.Kc3-d2 11.Kd2-e1 12.Ke1-f1 13.Kf1g1 14.Kg1-f1 15.Kf1-e1 16.Ke1-d2 17.Kd2-c3 18.Kc3-b4 19.Kb4-c5 20.Kc5-d6 21.Kd6-e7 22.Ke7-f8 23.Kf8-g7 24.Kg7-h6 25.Kh6-h5 26.Kh5-h4 27.Kh4h3 28.Kh3-h4 29.Kh4-h5 30.Kh5-h6 31.Rh2-h5 32.Rh5-g5 f4*g5 + This composition equalizes the series help-check length record for 15 units - T. Petrović, MAT 1992, ser-h+ 32, k7/Bp2p3/bp2P3/1N2p1p1/4P1P1/3K1P2/7b/8 ("398 Zuglängen Rekorde Im Serienzüger" No. 339). PDB P1104905.
HC14	Cornel Pacurar, Canada HC14 ChessProblems.ca, 01.05.2010 pser-h= 8 (1+1+1N) C+ (!) CageCirce EquipollentsAntiCirce 3 Solutions	1.Kc4-c5 2.Kc5b6 [+nPd4][bKb6->a7] + Ke3d4 [+nPb8][wKd4->c5] 3.nPb8-b7 4.nPb7-b6 + Kc5-b5 5.Ka7-a6 + Kb5b6 [+nPc8][wKb6->b7] 6.nPc8-c7 + Kb7c7 [+nPa7][wKc7->d7] 7.Ka6-b7 8.Kb7-a8 Kd7-c8 = 1.Kc4-b5 2.Kb5b6 [+nPd4][bKb6->b7] + Ke3d4 [+nPc8][wKd4->c5] 3.nPc8-c7 4.Kb7c7 [+nPd6][bKc7->d7] + Kc5d6 [+nPf7][wKd6->e7] + 5.Kd7-e8 + Ke7f7 [+nPg8][wKf7->g7] 6.Ke8-f8 + Kg7-g6 7.Kf8-g7 + Kg6-h7 + 8.Kg7-h8 + Kh7-h6 = 1.nPb6-b5 2.Kc4b5 [+nPc5][bKb5->a6] 3.Ka6-b5 4.Kb5c5 [+nPf4][bKc5->d5] + Ke3-f2 5.Kd5-e4 6.Ke4f4 [+nPg3][bKf4->g4] + Kf2g3=nK [+nPg3][wKg3->h4] + 7.Kg4g3 [+nPg1][bKg3->g2] 8.Kg2-h1 Kh4-h3 = C+ Popeye Windows-32Bit v4.55! An oddity! The beautiful 3-corner ecoes are only possible because of this Popeye Cage Circe + Parry Series + Neutrals bug!!!
HC13	Ján Golha & Arno Tüngler Slovakia & Germany HC13 ChessProblems.ca, 01.05.2010 ser-!# 139 (5+16) C+	1.Ka6-a5 2.Ka5-a4 3.Ka4-a3 4.Ka3-a2 5.Ka2-a1 6.Bb1-a2 7.Ka1-b1 8.Kb1-c1 9.Kc1-d1 10.Kd1-e1 11.Ke1f1 12.Kf1-e1 13.Ke1-d1 14.Kd1-c1 15.Kc1-b1 16.Kb1-a1 17.Ba2-b1 18.Ka1-a2 19.Ka2-a3 20.Ka3-a4 21.Ka4-a5 22.Ka5-a6 23.Ka6-a7 24.Ka7-b8 25.Kb8-c8 26.Kc8-d7 27.Kd7-e8 28.Ke8-f8 29.Kf8-g8 30.Kg8-h7 31.Kh7-g6 32.Kg6-h5 33.Kh5g4 34.Kg4-h5 35.Kh5-g6 36.Kg6-h7 37.Kh7-g8 38.Kg8-f8 39.Kf8-e8 40.Ke8-d7 41.Kd7-c8 42.Kc8-b8 43.Kb8-a7 44.Ka7-a6 45.Ka6-a5 46.Ka5-a4 47.Ka4-a3 48.Ka3-a2 49.Ka2-a1 50.Bb1-a2 51.Ka1-b1 52.Kb1-c1 53.Kc1-d1 54.Kd1-e1 55.Ke1-f1 56.Kf1g1 57.Kg1-f1 58.Kf1-e1 59.Ke1-d1 60.Kd1-c1 61.Kc1-b1 62.Kb1-a1 63.Ba2-b1 64.Ka1-a2 65.Ka2-a3 66.Ka3-a4 67.Ka4-a5 68.Ka5-a6 69.Ka6-a7 70.Ka7-b8 71.Kb8-c8 72.Kc8-d7 73.Kd7-e8 74.Ke8-f8 75.Kf8-g8 76.Kg8-h7 77.Kh7-g6 78.Kg6-h5 79.Kh5-g4 80.Kg4h3 81.Kh3-g4 82.Kg4-h5 83.Kh5-g6 84.Kg6-h7 85.Kh7-g8 86.Kg8-f8 87.Kf8-e8 88.Ke8-d7 89.Kd7-c8 90.Kc8-b8 91.Kb8-a7 92.Ka7-a6 93.Ka6-a5 94.Ka5-a4 95.Ka4-a3 96.Ka3-a2 97.Ka2-a1 98.Bb1-a2 99.Ka1-b1 100.Kb1-c1 101.Kc1-d1 102.Kd1-e1 103.Ke1-f1 104.Kf1-g1 105.Kg1h1 106.Kh1-g1 107.Kg1-f1 108.Kf1-e1 109.Ke1-d1 110.Kd1-c1 111.Kc1-b1 112.Kb1-a1 113.Ba2-b1 114.Ka1-a2 115.Ka2-a3 116.Ka3-a4 117.Ka4-a5 118.Ka5-a6 119.Ka6-a7 120.Ka7-b8 121.Kb8-c8 122.Kc8-d7 123.Kd7-e8 124.Ke8-f8 125.Kf8-g8 126.Kg8-h7 127.Kh7-g6 128.Kg6-h5 129.Kh5-g4 130.Kg4f3 131.Kf3-e3 132.f2-f4 133.f4-f5 134.f5-f6 135. f6e7 136.e7-e8=B 137.Be8-b5 138.Bb5-d3 139.Ke3e4 !# New overall auto-mate length record (promoted force). Table of records: lengthrecords.chessproblems.ca. See ChessProblems.ca TT1 for more information. C+, WinChloe 3.04
HC12	Cornel Pacurar, Canada HC12 ChessProblems.ca, 30.04.2010 ser-hx 54 (7+2) C+	1.Kd8-e8 2.Ke8-f7 3.Kf7-g8 4.Kg8-h7 5.Kh7-h6 6.Kh6-h5 7.Kh5h4 8.Kh4-h5 9.Kh5-h6 10.Kh6-h7 11.Kh7-g8 12.Kg8-f7 13.Kf7-e8 14.Ke8-d8 15.Kd8-c8 16.Kc8-b7 17.Kb7-a6 18.Ka6-b5 19.Kb5-c4 20.Kc4d3 21.Kd3-c4 22.Kc4-b5 23.Kb5-a6 24.Ka6-b7 25.Kb7-c8 26.Kc8-d8 27.Kd8-e8 28.Ke8-f7 29.Kf7-g8 30.Kg8-h7 31.Kh7-h6 32.Kh6-h5 33.Kh5-h4 34.Kh4h3 35.Kh3-h4 36.Kh4-h5 37.Kh5-h6 38.Kh6-h7 39.Kh7-g8 40.Kg8-f7 41.Kf7-e8 42.Ke8-d8 43.Kd8-c8 44.Kc8-b7 45.Kb7-a6 46.Ka6-b5 47.Kb5-c4 48.Kc4-d3 49.Kd3-e4 50.Ke4f4 51.Kf4-e4 52.f5-f4 53.f4-f3 54.f3-f2 Qg1*f2 x New series help-capture length record for 9 units. Table of records: lengthrecords.chessproblems.ca. Previous record: M. & R. Tomašević, MAT 1992, ser-hx 52, k7/6R1/3K1pP1/5P2/5B2/7B/8/6Q1 ("398 Zuglängen Rekorde Im Serienzüger" No. 353).
HC11	Arno Tüngler, Germany HC11 ChessProblems.ca, 26.04.2010 ser-!# 117 (6+16)	1.Kf1-e1 2.Ke1-d1 3.Kd1-c1 4.Kc1-b1 5.Kb1-a1 6.Ba2-b1 7.Ka1-a2 8.Ka2-a3 9.Ka3-b4 10.Kb4-a5 11.Ka5-a6 12.Ka6-b7 13.Kb7-c8 14.Kc8-d8 15.Kd8-e8 16.Ke8-f8 17.Kf8-g8 18.Kg8-h7 19.Kh7-g6 20.Kg6-h5 21.Kh5g4 22.Kg4-h5 23.Kh5-g6 24.Kg6-h7 25.Kh7-g8 26.Kg8-f8 27.Kf8-e8 28.Ke8-d8 29.Kd8-c8 30.Kc8-b7 31.Kb7-a6 32.Ka6-a5 33.Ka5-b4 34.Kb4-a3 35.Ka3-a2 36.Ka2-a1 37.Bb1-a2 38.Ka1-b1 39.Kb1-c1 40.Kc1-d1 41.Kd1-e1 42.Ke1-f1 43.Kf1g1 44.Kg1-f1 45.Kf1-e1 46.Ke1-d1 47.Kd1-c1 48.Kc1-b1 49.Kb1-a1 50.Ba2-b1 51.Ka1-a2 52.Ka2-a3 53.Ka3-b4 54.Kb4-a5 55.Ka5-a6 56.Ka6-b7 57.Kb7-c8 58.Kc8-d8 59.Kd8-e8 60.Ke8-f8 61.Kf8-g8 62.Kg8-h7 63.Kh7-g6 64.Kg6-h5 65.Kh5-g4 66.Kg4h3 67.Kh3-g4 68.Kg4-h5 69.Kh5-g6 70.Kg6-h7 71.Kh7-g8 72.Kg8-f8 73.Kf8-e8 74.Ke8-d8 75.Kd8-c8 76.Kc8-b7 77.Kb7-a6 78.Ka6-a5 79.Ka5-b4 80.Kb4-a3 81.Ka3-a2 82.Ka2-a1 83.Bb1-a2 84.Ka1-b1 85.Kb1-c1 86.Kc1-d1 87.Kd1-e1 88.Ke1-f1 89.Kf1-g1 90.Kg1h1 91.Kh1-g1 92.Kg1-f1 93.Kf1-e1 94.Ke1-d1 95.Kd1-c1 96.Kc1-b1 97.Kb1-a1 98.Ba2-b1 99.Ka1-a2 100.Ka2-a3 101.Ka3-b4 102.Kb4-a5 103.Ka5-a6 104.Ka6-b7 105.Kb7-c8 106.Kc8-d8 107.Kd8-e8 108.Ke8-f8 109.Kf8-g8 110.Kg8-h7 111.Kh7-g6 112.Kg6-h5 113.Kh5-g4 114.Kg4f3 115.Kf3-e3 116.f2-f3 117.Ke3e4 !# New overall auto-mate length record (normal force). Table of records: lengthrecords.chessproblems.ca. See ChessProblems.ca TT1 for more information.