MESON Chess Problem Database
Problem Display
PID: 16824 (1B6/1KR1P3/3kr3/p2Pp2R/3P1P2/1n2P1N1/BN4r1/3b1n1Q w - - 0 1)
Back, Par-Erik
Schackvarlden, 1943
#2
13 + 8
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rc5#
- 1...Rg1
- 2.Sc4#
- 2.Sf5#
- 1...Rxb2
- 2.Sf5#
- 1...Rc2
- 2.Sf5#
- 1...Rd2
- 2.Sc4#
- 2.Sf5#
- 1...Re2
- 2.Sc4#
- 2.Sf5#
- 1...Rf2
- 2.Sc4#
- 2.Sf5#
- 1...Rh2
- 2.Sc4#
- 2.Sf5#
- 1...Rxg3
- 2.Sc4#
- 1...Sa1
- 2.Se4#
- 2.Sf5#
- 1...Sc1
- 2.Se4#
- 2.Sf5#
- 1...Sd2
- 2.Sf5#
- 1...Sxd4
- 2.Se4#
- 1...Sc5+
- 2.dxc5#
- 1...exd4
- 2.Sc4#
- 1...exf4
- 2.Sc4#
- 1...e4
- 2.Sc4#
- 1...Kxd5
- Tries
- 1.Rxe5?
- threat
- 2.Sc4#
- 2.Se4#
- 2.Sf5#
- 1...Sc5+
- 2.dxc5#
- 1...Rxb2
- 2.Se4#
- 2.Sf5#
- 2.Rxe6#
- 1...Rxg3
- 2.Sc4#
- 2.Rxe6#
- 1...Sxe3
- 2.Se4#
- 1...Sxg3
- 2.Sc4#
- 1...Sxd4
- 2.Sc4#
- 2.Se4#
- 1...Rc2
- 2.Se4#
- 2.Sf5#
- 2.Rxe6#
- 1...Rf6
- 2.Sc4#
- 2.Se4#
- 2.e8S#
- 1...Bc2
- 2.Sc4#
- 1...Be2
- 2.Se4#
- 2.Sf5#
- 1...Bf3
- 2.Sc4#
- 2.Sf5#
- 1...Bg4
- 2.Sc4#
- 2.Se4#
- 1...Sfd2
- 2.Sf5#
- 1...Sbd2
- 2.Sf5#
- 2.Rxe6#
- 1...Rxe5!
- threat
- 1.Rh8?
- threat
- 2.Rd8#
- 1...Sc5+
- 2.dxc5#
- 1...Kxd5
- 2.Rc5#
- 1...Rxe7!
- threat
- 1.Qh3?
- threat
- 2.Qxe6#
- 1...Sc5+
- 2.dxc5#
- 1...Kxd5
- 2.Rc5#
- 1...Rxe7
- 2.Rd7#
- 1...Sxd4
- 2.Se4#
- 1...Rf6
- 2.Rd7#
- 2.Qd7#
- 1...Rg6
- 2.Rd7#
- 2.Qd7#
- 1...Rh6
- 2.Rd7#
- 2.Qd7#
- 1...Bg4!
- threat
- 1.e4?
- threat
- 2.Sc4#
- 2.Sf5#
- 1...Sc5+
- 2.dxc5#
- 1...Rxb2
- 2.Sf5#
- 1...Rxg3
- 2.Sc4#
- 1...Sxg3
- 2.Sc4#
- 1...Sxd4
- 2.Sc4#
- 1...Rc2
- 2.Sf5#
- 1...Rf6
- 2.Sc4#
- 2.dxe5#
- 2.fxe5#
- 2.e8S#
- 1...Be2
- 2.Sf5#
- 1...Bg4
- 2.Sc4#
- 1...Sfd2
- 2.Sf5#
- 1...Sbd2
- 2.Sf5#
- 1...Se3!
- threat
- 1.fxe5+?
- 1...Kxd5
- 2.Rc5#
- 1...Rxe5!
- 1...Kxd5
- 1.e8Q?
- threat
- 2.Rc5#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe6#
- 2.Qd8#
- 1...Sc5+
- 2.Rxc5#
- 2.dxc5#
- 1...Kxd5
- 2.Rc5#
- 1...Sxd4
- 2.Se4#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc6#
- 2.Rc8#
- 2.Qd7#
- 2.Qd8#
- 1...exd4
- 2.Sc4#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc6#
- 2.Rc8#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe6#
- 2.Qd8#
- 1...Rc2
- 2.Sf5#
- 2.Rxc2#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Qd7#
- 2.Qxe6#
- 2.Qd8#
- 1...Rf6
- 2.Rc5#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe5#
- 2.Qd8#
- 1...Rg6
- 2.Rc5#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe5#
- 2.Qd8#
- 1...Rh6
- 2.Rc5#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 2.Qxe5#
- 2.Qd8#
- 1...Re7
- 2.Rd7#
- 2.Qc6#
- 1...Bg4
- 2.Rc5#
- 2.Rd7#
- 2.Qc6#
- 2.Qd7#
- 2.Qd8#
- 1...Rxe8!
- threat
- 1.e8S+?
- 1...Kxd5
- 2.Rc5#
- 1...Rxe8!
- 1...Kxd5
- 1.e8B?
- threat
- 2.Rd7#
- 1...Sc5+
- 2.dxc5#
- 1...Kxd5
- 2.Rc5#
- 1...Sxd4
- 2.Se4#
- 1...exd4
- 2.Sc4#
- 1...Rxe8!
- threat
- 1.Rxe5?
- Keys
- 1.Kc8!
- threat
- 2.Rd7#
- 1...Kxd5
- 2.Rc5#
- 1...Sxd4
- 2.Se4#
- 1...exd4
- 2.Sc4#
- 1...Rc2
- 2.Sf5#
- threat
- 1.Kc8!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- K(g);P-FLIGHT,P_SPINP(f),P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- R(c);XS(C)::S(E)
- R(c);::S(E)
- R(c);XS(E)::S(C)
- S(d);::S(E)
- S(d);XP(F)::S(E)
- S(d);CHECK,OGATE::P(F),XS(d)
- P(f);XP(F)::S(C)
- P(f);XP(G)::S(C)
- P(f);::S(C)
- Tries
- Try
- R(I);XP(f)
- Threat
- DUALS(3)
- Vars
- S(d);CHECK,OGATE::P(F),XS(d)
- S(b);XP(D)::S(E)
- S(b);XS(E)::S(C)
- B(a);::S(C)
- S(b);::S(E)
- Refutation
- R(h);XR(I)
- Try
- R(I);
- Threat
- R(I)
- Vars
- S(d);CHECK,OGATE::P(F),XS(d)
- K(g);P-FLIGHT,P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- Refutation
- R(h);P_PINR(K),XP(L)
- Try
- Q(A);
- Threat
- QAR1(A),XR(h)
- Vars
- S(d);CHECK,OGATE::P(F),XS(d)
- K(g);P-FLIGHT,P_SPINP(f),P_SPINS(d),XP(H)::R1(K)
- R(h);P_PINR(K),XP(L)::B(M)+R(K),DCHECK
- S(d);XP(F)::S(E)
- Refutation
- B(a);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,OGATE::P(F),XS(d)
- R(c);XS(C)::S(E)
- R(c);XS(E)::S(C)
- S(b);XS(E)::S(C)
- S(d);XP(F)::S(C)
- R(c);::S(E)
- B(a);::S(E)
- B(a);::S(C)
- S(b);::S(E)
- S(d);::S(E)
- Refutation
- S(b);
- Try
- P(G);CHECK,XP(f)
- Vars
- K(g);P-FLIGHT,P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- Refutation
- R(h);XP(G)
- Try
- P(L);
- Threat
- DUALS(6)
- Vars
- K(g);P-FLIGHT,P_SPINP(f),P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- Refutation
- R(h);XQ(L)
- Try
- P(L);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINP(f),P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- Refutation
- R(h);XS(L)
- Try
- P(L);
- Threat
- B(M)+R(K),DCHECK
- Vars
- S(d);CHECK,OGATE::P(F),XS(d)
- K(g);P-FLIGHT,P_SPINP(f),P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- S(d);XP(F)::S(E)
- P(f);XP(F)::S(C)
- Refutation
- R(h);XB(L)
- Try
- Actual
- K(J);S_FLIGHT
- Threat
- B(M)+R(K),DCHECK
- Vars
- K(g);P-FLIGHT,P_SPINP(f),P_SPINR(c),P_SPINS(d),XP(H)::R1(K)
- S(d);XP(F)::S(E)
- P(f);XP(F)::S(C)
- R(c);P_PINR(K)::S(E)
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).