MESON Chess Problem Database
Problem Display
PID: 262857 (8/8/4K2p/p1R1p2P/PbnkB3/p1R1pP2/P1PnP3/6Q1 w - - 0 1)
Slavinsky, G
Szachy, 1976
#2
11 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kxc3
- 2.Qa1#
- 1...Kxc5
- 2.Qxe3#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe3#
- 1...Sb6
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...Kxc3
- Tries
- 1.Kd7?
- 1...Kxc3
- 2.Qa1#
- 1...Kxc5
- 2.Qxe3#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...Sb6+!
- 1...Kxc3
- 1.Ke7?
- 1...Kxc3
- 2.Qa1#
- 1...Kxc5
- 2.Qxe3#
- 1...Bxc3
- 2.Rd5#
- 1...Sxf3
- 2.Rxc4#
- 1...Sxe4
- 2.Rxc4#
- 1...Sb1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sb3
- 2.Rxc4#
- 1...Sb2
- 2.Qxe3#
- 1...Sb6
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...Bxc5+!
- 1...Kxc3
- 1.Rxe3?
- threat
- 2.Rd3#
- 2.Rd5#
- 1...Kxc5
- 2.Rc3#
- 1...Bxc5
- 2.Rd3#
- 2.c3#
- 1...Sxf3
- 2.Rd5#
- 1...Sb2
- 2.Rxa3#
- 2.Rb3#
- 2.Rec3#
- 2.Rd3#
- 1...Sb6
- 2.Rxa3#
- 2.Rb3#
- 2.Rec3#
- 2.Rd3#
- 1...Sd6
- 2.Rxa3#
- 2.Rb3#
- 2.Rec3#
- 2.Rd3#
- 1...Sxe3!
- threat
- 1.Rxe5?
- threat
- 2.Rd3#
- 1...Bxc3
- 2.Rd5#
- 1...Sxe5
- 2.Qxe3#
- 1...Sb2
- 2.Qxe3#
- 1...Sb6
- 2.Qxe3#
- 1...Sd6
- 2.Qxe3#
- 1...Kxc3!
- threat
- 1.Rc6?
- threat
- 2.Rd3#
- 1...Kxc3
- 2.Qa1#
- 1...Sxf3
- 2.R3xc4#
- 2.R6xc4#
- 1...Sb2
- 2.Qxe3#
- 1...Bxc3!
- threat
- 1.Rc7?
- threat
- 2.Rd3#
- 1...Kxc3
- 2.Qa1#
- 1...Sxf3
- 2.R3xc4#
- 2.R7xc4#
- 1...Sb2
- 2.Qxe3#
- 1...Bxc3!
- threat
- 1.Rc8?
- threat
- 2.Rd3#
- 1...Kxc3
- 2.Qa1#
- 1...Sxf3
- 2.R3xc4#
- 2.R8xc4#
- 1...Sb2
- 2.Qxe3#
- 1...Bxc3!
- threat
- 1.Qh2?
- 1...Kxc3
- 2.Qxe5#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe5#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Kxc5!
- 1...Kxc3
- 1.Qg3?
- 1...Kxc3
- 2.Qxe5#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe5#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Kxc5!
- 1...Kxc3
- 1.Qg5?
- 1...Kxc3
- 2.Qxe5#
- 1...Kxc5
- 2.Qxe3#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe3#
- 2.Qd8#
- 2.Qxe5#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb6
- 2.Qxe3#
- 2.Qxe5#
- 1...Sd6
- 2.Qxe3#
- 2.Qxe5#
- 1...hxg5!
- 1...Kxc3
- 1.Kd7?
- Keys
- 1.Qg7!
- 1...Kxc3
- 2.Qxe5#
- 1...Kxc5
- 2.Qa7#
- 1...Bxc3
- 2.Rd5#
- 1...Bxc5
- 2.Rd3#
- 1...Sxf3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sxe4
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb2
- 2.Qxe5#
- 2.Qd7#
- 1...Sb1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sf1
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb3
- 2.R3xc4#
- 2.R5xc4#
- 1...Sb6
- 2.Qxe5#
- 1...Sd6
- 2.Qxe5#
- 1...Kxc3
- 1.Qg7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- K(f);P_SPINS(e),S_FLIGHT,XR(I)::QAB(A),XP(c)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- S(e);N_GUARD::QAB1(A),XP(c)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- K(f);P_SPINS(e),S_FLIGHT,XR(I)::QAB(A),XP(c)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- S(a);N_GUARD,XB(H)::R1(E),XS(e)
- S(e);N_GUARD::QAB1(A),XP(c)
- Refutation
- S(e);CHECK
- Try
- K(K);P-FLIGHT,P_SPINR(I)
- Vars
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- K(f);P_SPINS(e),S_FLIGHT,XR(I)::QAB(A),XP(c)
- B(d);N_PINR(I),SBLOCK,XR(E)::R1(I)
- S(a);N_GUARD,XP(F)::R1(E),XS(e)
- S(a);N_GUARD,XB(H)::R1(E),XS(e)
- S(a);N_GUARD::R1(E),XS(e)
- S(e);N_GUARD::QAB1(A),XP(c)
- S(e);N_GUARD,N_PINR(I)::QAB1(A),XP(c)
- Refutation
- B(d);CHECK,XR(I)
- Try
- R(E);XP(c)
- Threat
- DUALS(2)
- Vars
- K(f);N_GUARD,S_CUTS(e),S_FLIGHT,XR(I)::QAB(A)+R(E)
- S(a);XP(F)::R1(I)
- Refutation
- S(e);P_SPINS(e),XR(E)
- Try
- R(I);XP(h)
- Threat
- R1(E)
- Vars
- B(d);SBLOCK,XR(E)::R1(I)
- S(e);N_GUARD,XR(I)::QAB1(A),XP(c)
- S(e);N_GUARD::QAB1(A),XP(c)
- Refutation
- K(f);N_SPINP(c),S_FLIGHT,XR(E)
- Try
- R(I);
- Threat
- R1(E)
- Vars
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- S(e);N_GUARD::QAB1(A),XP(c)
- Refutation
- B(d);XR(E)
- Try
- R(I);
- Threat
- R1(E)
- Vars
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- S(e);N_GUARD::QAB1(A),XP(c)
- Refutation
- B(d);XR(E)
- Try
- R(I);
- Threat
- R1(E)
- Vars
- K(f);N_SPINP(c),OGATEB,P_SPINS(e),S_FLIGHT,XR(E)::QAB(A)
- S(e);N_GUARD::QAB1(A),XP(c)
- Refutation
- B(d);XR(E)
- Try
- Q(A);N_PINP(c)
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XR(E)::QAB(A),XP(h)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- S(e);N_GUARD::QAB1(A),XP(h)
- Refutation
- K(f);P_SPINS(e),S_FLIGHT,XR(I)
- Try
- Q(A);N_PINP(c)
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XR(E)::QAB(A),XP(h)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- S(e);N_GUARD::QAB1(A),XP(h)
- Refutation
- K(f);P_SPINS(e),S_FLIGHT,XR(I)
- Try
- Q(A);N_PINP(c)
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XR(E)::QAB(A),XP(h)
- K(f);P_SPINP(h),P_SPINS(e),S_FLIGHT,XR(I)::QAB(A),XP(c)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- Refutation
- P(i);XQ(A)
- Try
- Actual
- Q(A);N_PINP(c),P_PINP(h)
- Vars
- K(f);P_SPINS(e),S_FLIGHT,XR(E)::QAB(A),XP(h)
- K(f);N_SPINP(h),OGATEB,P_SPINS(e),S_FLIGHT,XR(I)::QAB(A)
- B(d);SBLOCK,XR(E)::R1(I)
- B(d);SBLOCK,XR(I)::R1(E)
- S(e);N_GUARD::QAB1(A),XP(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).