MESON Chess Problem Database
Problem Display
PID: 18094 (nQ6/1pr1N1p1/1R2p3/1pp1kp1N/5R2/1pKPp3/bB6/8 w - - 0 1)
Kardos, Tivadar
Magyar Sakkelet, 1953
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Kxb3#
- 1...Sxb6
- 2.Qxc7#
- 1...e2
- 2.Kd2#
- 1...b4+
- 2.Kc4#
- 1...c4
- 2.d4#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...Bb1
- Tries
- 1.Rf3?
- threat
- 2.Rxe3#
- 1...b4+
- 2.Kc4#
- 1...Sxb6
- 2.Qxc7#
- 1...e2
- 2.Kd2#
- 2.Re3#
- 1...f4!
- threat
- 1.Ra4?
- 1...b4+
- 2.Kc4#
- 1...Sxb6
- 2.Qxc7#
- 1...bxa4
- 2.Kc4#
- 1...f4
- 2.Re4#
- 1...Bb1
- 2.Kxb3#
- 1...e2
- 2.Kd2#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...c4!
- 1...b4+
- 1.Rc4?
- threat
- 2.Rxc5#
- 1...Sxb6
- 2.Qxc7#
- 1...bxc4
- 2.Kxc4#
- 1...b4+!
- threat
- 1.Rg4?
- 1...b4+
- 2.Kc4#
- 1...Sxb6
- 2.Qxc7#
- 1...c4
- 2.d4#
- 1...Bb1
- 2.Kxb3#
- 1...e2
- 2.Kd2#
- 1...f4
- 2.Rg5#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...fxg4!
- 1...b4+
- 1.Rh4?
- 1...b4+
- 2.Kc4#
- 1...Sxb6
- 2.Qxc7#
- 1...c4
- 2.d4#
- 1...Bb1
- 2.Kxb3#
- 1...e2
- 2.Kd2#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...f4!
- 1...b4+
- 1.Qd8?
- threat
- 2.Sg6#
- 2.Qd6#
- 1...b4+
- 2.Kc4#
- 1...Rxe7
- 2.Qd6#
- 1...Sxb6
- 2.Sg6#
- 2.Qxc7#
- 1...Rc6
- 2.Sg6#
- 1...g6
- 2.Sxg6#
- 2.Qd6#
- 2.Qh8#
- 1...Rd7!
- threat
- 1.Rf3?
- Keys
- 1.Rb4!
- 1...cxb4+
- 2.Kxb4#
- 1...Sxb6
- 2.Qxc7#
- 1...c4
- 2.R4xb5#
- 1...Bb1
- 2.Kxb3#
- 1...e2
- 2.Kd2#
- 1...f4
- 2.Re4#
- 1...g5
- 2.Qh8#
- 1...g6
- 2.Qh8#
- 1...cxb4+
- 1.Rb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- B(a);::B(A)+K(B),XP(b)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(c);::B(A)+K(B)
- P(d);CHECK::B(A)+K(B)
- P(e);N_GUARD::P(C)
- P(k);OGATEB::QAB(H)
- Tries
- Try
- R(D);
- Threat
- R(D),XP(c)
- Vars
- P(d);CHECK::B(A)+K(B)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- Refutation
- P(g);
- Try
- R(D);
- Vars
- P(d);CHECK::B(A)+K(B)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(d);XR(D)::B(A)+K(B)
- P(g);N_GUARD::R1(D)
- B(a);::B(A)+K(B),XP(b)
- P(c);::B(A)+K(B)
- P(k);OGATEB::QAB(H)
- Refutation
- P(e);
- Try
- R(D);
- Threat
- R(D),XP(e)
- Vars
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(d);XR(D)::B(A)+K(B),XP(d)
- Refutation
- P(d);CHECK
- Try
- R(D);
- Vars
- P(d);CHECK::B(A)+K(B)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(e);N_GUARD::P(C)
- B(a);::B(A)+K(B),XP(b)
- P(c);::B(A)+K(B)
- P(g);OGATEB::R(D)
- P(k);OGATEB::QAB(H)
- Refutation
- P(g);XR(D)
- Try
- R(D);
- Vars
- P(d);CHECK::B(A)+K(B)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(e);N_GUARD::P(C)
- B(a);::B(A)+K(B),XP(b)
- P(c);::B(A)+K(B)
- P(k);OGATEB::QAB(H)
- Refutation
- P(g);
- Try
- Q(H);N_PINR(j)
- Threat
- DUALS(2)
- Vars
- P(d);CHECK::B(A)+K(B)
- R(j);XS(G)::QAB1(H)
- R(j);::S(G)
- Refutation
- R(j);
- Try
- Actual
- R(D);
- Vars
- P(e);CHECK,XR(D)::B(A)+K(B),XP(e)
- S(l);N_GUARD,XR(F)::QAB(H),XR(j)
- P(e);OGATEB::R(D),XP(d)
- B(a);::B(A)+K(B),XP(b)
- P(c);::B(A)+K(B)
- P(g);N_GUARD::R1(D)
- P(k);OGATEB::QAB(H)
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).