MESON Chess Problem Database
Problem Display
PID: 175157 (5n2/1Bn2N2/2P2P2/2Nk1P1R/1Ppp3K/3p4/Q2P2P1/8 w - - 0 1)
van Dijk, Johannes
De Maasbode, 1902
#2
12 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sg6+
- 2.fxg6#
- 1...Sd7
- 2.cxd7#
- 1...Sb5
- Tries
- 1.Kg3?
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sg6
- 2.fxg6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sb5
- 1.Kh3?
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sg6
- 2.fxg6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sb5
- 1.Kg4?
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sg6
- 2.fxg6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sb5
- 1.Rg5?
- 1...Sg6+
- 2.fxg6#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qb1?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qa1?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qb2?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qa3?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 2.Qb3#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qa4?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qb3#
- 2.Qa2#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qa5?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Qa6?
- 1...Sg6+
- 2.fxg6#
- 1...Sxa6
- 2.c7#
- 1...Sb5
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...c3
- 2.Qa2#
- 1...Sh7!
- 1...Sg6+
- 1.Qa7?
- 1...Sg6+
- 2.fxg6#
- 1...c3
- 2.Qa2#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.g3?
- 1...Sg6+
- 2.fxg6#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.g4?
- 1...Sg6+
- 2.fxg6#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sh7!
- 1...Sg6+
- 1.Kg3?
- Keys
- 1.Qa8!
- 1...Sg6+
- 2.fxg6#
- 1...Sxa8
- 2.c7#
- 1...c3
- 2.Qa2#
- 1...Sh7
- 2.Qd8#
- 1...Sb5
- 2.c7#
- 1...Sa6
- 2.c7#
- 1...Sce6
- 2.fxe6#
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sfe6
- 2.fxe6#
- 1...Sd7
- 2.cxd7#
- 1...Sg6+
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- K(E);P-FLIGHT
- Vars
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- K(E);P-FLIGHT
- Vars
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- R(H);
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- P(b);OGATEB::QAB(A)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- P(b);OGATEB::QAB(A)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE,XQ(A)::B(K)+P(I)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- P(b);OGATEB::QAB(A)
- Refutation
- S(f);
- Try
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- P(b);OGATEB::QAB(A)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- P(C);
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- P(C);
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
- Refutation
- S(f);
- Try
- Actual
- Q(A);N_PINP(b)
- Vars
- S(f);CHECK,OGATE::R(H)+P(G),XS(f)
- S(e);OGATE,XQ(A)::B(K)+P(I)
- P(b);OGATEB::QAB(A)
- S(f);N_GUARD::QAR(A)
- S(e);OGATE::B(K)+P(I)
- S(f);OGATE::R(H)+P(G),XS(f)
- S(f);OGATE::B(K)+P(I),XS(f)
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).