MESON Chess Problem Database
Problem Display
PID: 108930 (4b2B/1K1Bpp2/3k4/2NrR3/1P1P4/8/8/3R4 w - - 0 1)
Mentasti, Gino
Scacco!, 1974
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Rxd4#
- 1...Rxc5
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...Bxd7
- 2.Se4#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...Rxd4
- Tries
- 1.Kb6?
- 1...Rxd4
- 2.Rxd4#
- 1...Rxc5
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...Bxd7
- 2.Se4#
- 2.Sb7#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...e6!
- 1...Rxd4
- 1.Be6?
- threat
- 2.Se4#
- 2.Rxd5#
- 1...Rxd4
- 2.Se4#
- 2.Rxd4#
- 1...Rxc5
- 2.bxc5#
- 2.dxc5#
- 1...Rxe5
- 2.Bxe5#
- 2.dxe5#
- 1...fxe6
- 2.Rxe6#
- 1...f5
- 2.Rxd5#
- 1...Bc6+!
- threat
- 1.Bxe8?
- threat
- 2.Se4#
- 1...Rxc5
- 2.bxc5#
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...f5
- 2.Re6#
- 1...e6!
- threat
- 1.Rd2?
- 1...Rxd4
- 2.Rxd4#
- 1...Rxc5
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...Bxd7
- 2.Se4#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...e6!
- 1...Rxd4
- 1.Rd3?
- 1...Rxd4
- 2.Rxd4#
- 1...Rxc5
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...Bxd7
- 2.Se4#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...e6!
- 1...Rxd4
- 1.Kb6?
- Keys
- 1.Bg7!
- 1...Rxd4
- 2.Rxd4#
- 1...Rxc5
- 2.dxc5#
- 1...Rxe5
- 2.dxe5#
- 1...Bxd7
- 2.Se4#
- 1...e6
- 2.Bf8#
- 1...f5
- 2.Re6#
- 1...f6
- 2.Re6#
- 1...Rxd4
- 1.Bg7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);OGATE,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);OGATE,XS(D)::R(A)+P(C)DCHECK,XR(a)
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- B(e);SBLOCK,XB(G)::S(D)
- P(d);N_GUARD::R1(E)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);OGATE,XS(D)::R(A)+P(C)DCHECK,XR(a)
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- P(d);N_GUARD::R1(E)
- Refutation
- P(c);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- P(d);OGATE,XB(G)::R1(E),XP(d)
- P(d);::R1(E),XR(a)
- Refutation
- B(e);CHECK
- Try
- B(G);XB(e)
- Threat
- S(D)
- Vars
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- P(d);N_GUARD::R1(E)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);OGATE,XS(D)::R(A)+P(C)DCHECK,XR(a)
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- B(e);SBLOCK,XB(G)::S(D)
- P(d);N_GUARD::R1(E)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);OGATE,XS(D)::R(A)+P(C)DCHECK,XR(a)
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- B(e);SBLOCK,XB(G)::S(D)
- P(d);N_GUARD::R1(E)
- Refutation
- P(c);
- Try
- Actual
- B(H);
- Vars
- R(a);OGATE,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);OGATE,XS(D)::R(A)+P(C)DCHECK,XR(a)
- R(a);OGATE,XR(E)::R(A)+P(C)DCHECK,XR(a)
- B(e);SBLOCK,XB(G)::S(D)
- P(c);OGATEB::B(H)
- P(d);N_GUARD::R1(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).