MESON Chess Problem Database
Problem Display
PID: 108721 (3Q4/2K5/pr1B4/k2B4/P7/1R6/8/R7 w - - 0 1)
Kruk, Henryk
Szachy, 1990
#2
7 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rc6+
- 2.Kxc6#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rb8
- 2.Kxb8#
- 1...Rb4
- Tries
- 1.Bh1?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bg2?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bf3?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bc4?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Be4?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bc6?
- 1...Rxc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rxc6+
- 1.Be6?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bb7?
- 1...Rc6+
- 2.Kxc6#
- 1...Rxb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rxb3!
- 1...Rc6+
- 1.Bf7?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Ba8?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bg8?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bc5?
- threat
- 2.Bxb6#
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rd6
- 2.Kxd6#
- 2.Bb4#
- 1...Re6
- 2.Bb4#
- 1...Rf6
- 2.Bb4#
- 1...Rg6
- 2.Bb4#
- 1...Rh6
- 2.Bb4#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- threat
- 1.Be7?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rd6
- 2.Kxd6#
- 1...Re6
- 2.Bb4#
- 1...Rf6
- 2.Bb4#
- 1...Rg6
- 2.Bb4#
- 1...Rh6
- 2.Bb4#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bf8?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rd6
- 2.Kxd6#
- 1...Re6
- 2.Bb4#
- 1...Rf6
- 2.Bb4#
- 1...Rg6
- 2.Bb4#
- 1...Rh6
- 2.Bb4#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Ra2?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Raa3?
- 1...Rc6+
- 2.Kxc6#
- 1...Rb7+
- 2.Kxb7#
- 1...Rxd6
- 2.Kxd6#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Kxb8#
- 1...Rxb3!
- 1...Rc6+
- 1.Bh1?
- Keys
- 1.Qg5!
- 1...Rc6+
- 2.Bxc6#
- 1...Rb7+
- 2.Bxb7#
- 1...Rxb3
- 2.Bxb3#
- 1...Rxd6
- 2.Qd2#
- 1...Rb4
- 2.Bxb4#
- 1...Rb5
- 2.axb5#
- 1...Rb8
- 2.Bb7#
- 1...Rc6+
- 1.Qg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Tries
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK,XB(D)::QAB(G)+K(F),XR(c)
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);CHECK,XB(D)::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(D);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(E);
- Threat
- B(E),XR(c)
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);N_GUARD::B(E)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- B(E);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E)
- Refutation
- R(c);XR(B)
- Try
- B(E);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E)
- Refutation
- R(c);XR(B)
- Try
- R(A);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- R(A);
- Vars
- R(c);CHECK::QAB(G)+K(F),XR(c)
- R(c);XB(E)::QAB(G)+K(F),XR(c)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);::QAB(G)+K(F),XR(c)
- Refutation
- R(c);XR(B)
- Try
- Actual
- Q(G);
- Vars
- R(c);CHECK,N_GUARD::QAR(G)+B(D),XR(c)
- R(c);OGATE,XR(B)::QAR(G)+B(D),XR(c)
- R(c);N_GUARD,XB(E)::QAB(G)
- R(c);N_GUARD::B(E),XR(c)
- R(c);OGATE::R(A)+P(C),XR(c)
- R(c);N_GUARD::QAR(G)+B(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).