Author: Alexander Kure
Date: 09:19:44 10/23/99
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?? - Kappler,P [Kure,A] The idea is to blockade White's pawns and then force Black's b pawn. As White will be in Zugzwang, he has to give way to black's b pawn. I analyzed this position using my own chess intuition and checking the lines with a special Nimzo 7.32 version using 5 piece EGTBs. After that I checked the lines playing against Hiarcs. 1...Ke5 2.Ke3 [2.Kd3 Kf4 3.Kc4 Nf7 4.Kb5 Nd6+ (4...Kxf3? 5.e5=) 5.Kb6 Ke5 (5...Kxf3? 6.e5=) 6. Kc5 b5 7.Kb4 (7.f4+? Kxe4 #18) 7...Kd4 8.Kb3 Nc8 (8... Ne8!? 9.Kb4 Nc7 10.Kb3 Na6-+) 9.Kb4 Na7 10.Kb3 Nc6-+] 2...b5 3.f4+ [3.Kd3 Nf7 4.f4+ (4.Kc3 Nd6 5.Kb4 Kd4-+) 4...Kd6 (4...Kxf4?? 5.Kd4=) 5.Kd4 - 3. f4+ Kd6 4. Kd4 Nf7] 3...Kd6 4.Kd4 [4.e5+ Kd5-+; 4.f5 Ke5-+] 4...Nf7 5.e5+ [5.f5 Ne5 6.Kc3 A) 6...Nc6? 7. Kb3 Ke5 8.Kc3 Kxe4 (8...Kf6 9.Kb3=) 9.f6=; B) 6...Kc5 7. Kb3 b4-+] 5...Kc6 6.f5 [6.e6 Nd6 7.Ke5 b4 8.Kd4 (8. f5? b3 9.f6 b2 10.f7 b1Q 11.f8Q Qb2+ 12.Kf4 Qf2+-+) 8...Kb5; 6.Ke4 Kc5 A) 7.Kd3 A1) 7...b4!? 8.e6 (8.Kc2 Nd8 9.f5 Nc6 10.e6 Nd4+-+) 8...Nd6 9.e7 (9.Kc2 Nf5 10.Kb2 Kc4-+) 9...Ne8 10.f5 (10.Kc2 Kc4 is the same) 10...Nf6 11. Kc2 Kc4 12.Kb2 b3 13.Kb1 Kc3 14.Kc1 b2+ 15.Kb1 Ne4 16.e8Q Nd2+ 17.Ka2 b1Q+ 18.Ka3 Qb3#; A2) 7...Kd5 8. Kc3 Nh6 9.Kb4 Kc6 10.Kb3 Kc5 11.Kc3 Nf5 12.e6 b4+ 13.Kb3 Nd4+-+; B) 7.e6 Nd6+ 8.Kd3 (8.Ke5 b4-+) 8...Kd5 9.e7 Ke6-+ (9... Ne8-+; 9...b4 10.f5 Ne8-+) ; C) 7.f5 C1) 7...Nd8 8.e6 (8.f6 b4 9.Kd3 Ne6 10.Kc2 Kc4-+) 8...Kd6 9.Kd4 Nc6+ 10.Kc3 Ne7 11.Kb4 (11.f6 Nd5+ 12.Kd4 Nxf6 #18) 11...Kc6 12. f6 Nd5+-+; C2) 7...b4!? 8.f6 Nd8 9.Kd3 Ne6 (9...Kd5 10. Kc2 Kc4-+) 10.Kc2 Kc4-+] 6...Nd8 7.Kc3 [7.f6? Ne6+ 8. Kc3 (8.Ke4 Kc5-+) 8...Kc5-+; 7.e6 Kd6 8.Kc3 (8.e7 Nc6+-+) 8...Nc6 9.Kb3 A) 9...Kc5? 10.Kb2 Kd5 11.Ka3 b4+ A1) 12.Kb3 Kc5 13.Kb2 (13.f6 Nd4+-+) 13...Kd6 14.Kb3 Ke7 15.Ka4=; A2) 12.Kb2 ; B) 9...Ke7 10.Kc3 Kf6 11.Kb3=] 7...Nb7 [7...Kc5? 8.e6 (8.f6? Ne6-+) 8...Nc6 (8...b4+?? 9.Kb3 Nc6 10.Ka4 Kd6 11. Kb3=) A) 9.f6 Kd6 (9...b4+?? 10.Kb2 Kd6 11.e7 Kd7 12. Kb3=) 10.f7 (10.e7 Kd7 11.Kb3 Ke8 12.Kc3 Kf7 13.Kb3=) 10...Ke7 11.Kb3=; B) 9.Kb2 9...Kd6 10.Kb3 Ke7 11.Kc3 Kf6 12.Kb3=] 8.Kb4 [8.f6 Nc5 9.f7 Ne6-+ 10.Kb4 Nf8 11.Kc3 Kc5; 8.e6 Nd6 9.e7 (9.f6 Ne4+-+) 9...Ne8-+] 8...Nc5 9.Kc3 Na6 [9...Nd7? 10.Kd4 (10.e6? Nf6-+) 10...Nb6 11.e6 b4 ( 11...Nd5 12.Ke5=) A) 12.Kd3? Kd6 13.Kc2 (13.Kd4 Ke7 14. Ke5 b3-+) 13...Nd5 14.Kb3 Kc5-+; B) 12.e7 12...Kd7 13.f6 Ke8 14.Kd3=; 9...Ne4+? 10.Kd4=] 10.Kd4 [10.e6 Nc7 11.Kd4 (11.Kb3 Kc5-+) 11...Kd6 12.Kc3 Nd5+ 13.Kb3 (13.Kd4 Nf6-+) 13... Kc5-+; 10.f6 Nc7-+] 10...Nc7 11.Kc3 [11.f6 Ne6+-+; 11.e6 Kd6 12.Kc3 Nd5+ 13.Kb3 Kc5-+] 11...Kd5 12.e6 [ 12.f6 Kc5 13.f7 Ne6-+] 12...Kc5 13.Kb3 [13.Kd3 Nd5 ( 13...Ne8!?; 13...b4!?) 14.Ke4 Kd6 15.Kd4 Nf6 16.Kc3 Kc5-+] 13...Nd5-+ 14.Kb2 Kc4 15.Kb1 Kc3 16.Ka1 b4 17.Kb1 b3 Line
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