MESON Chess Problem Database
Problem Display
PID: 103312 (8/n2p4/1PpN1r2/1pK1k1B1/3N4/8/B1Qpr3/8 w - - 0 1)
Gamage, Frederick
Checkmate, 1904
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ref2
- 2.Qe4#
- 1...Rg2
- 2.Qe4#
- 1...Rh2
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Rf3
- 2.Sxf3#
- 1...Rf5
- 2.Qxf5#
- 1...Rxd6
- 2.Sf3#
- 2.Qf5#
- 1...Re6
- 2.Sf3#
- 2.Sf7#
- 2.Qf5#
- 1...Rg6
- 2.Sf3#
- 2.Sf7#
- 2.Qf5#
- 1...Rh6
- 2.Sf3#
- 2.Sf7#
- 2.Qf5#
- 1...Rf7
- 2.Sxf7#
- 1...d1R
- 2.Qxe2#
- 1...b4
- 2.Sc4#
- 1...Ref2
- Tries
- 1.Sxc6+?
- 1...dxc6
- 2.Qb2#
- 2.Qc3#
- 1...Sxc6!
- 1...dxc6
- 1.Qg6?
- threat
- 2.Qxf6#
- 1...Rxd6
- 2.Sf3#
- 2.Qf5#
- 1...Rxg6
- 2.Sf3#
- 1...Ref2
- 2.Qe4#
- 1...Rf1
- 2.Qe8#
- 1...Rff2
- 2.Qe8#
- 1...Rf3
- 2.Sxf3#
- 2.Qe8#
- 1...Rf4
- 2.Qe8#
- 1...Rf5
- 2.Qxf5#
- 2.Qe8#
- 1...Re6
- 2.Sf3#
- 2.Sf7#
- 2.Qf5#
- 1...Rf7
- 2.Sxf7#
- 1...Rf8!
- threat
- 1.Qb2?
- threat
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...d1Q
- 2.Sf3#
- 2.Sxc6#
- 1...d1S
- 2.Sf3#
- 2.Sxc6#
- 1...d1B
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.Sxc6#
- 1...d1R
- 2.Sf3#
- 2.Sxc6#
- 2.Qxe2#
- 1...Re1
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Ref2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Rg2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Rh2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Re3
- 2.Sf3#
- 2.Sxc6#
- 1...Re4
- 2.Sf3#
- 2.Sxc6#
- 1...Rf3
- 2.Sxf3#
- 2.Sxc6#
- 1...Rf4
- 2.Sf3#
- 2.Sxc6#
- 1...Rf5
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4xf5#
- 2.Sxc6#
- 2.Se6#
- 1...Re6
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Sxe6#
- 1...b4
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.S4b5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Rxd6!
- threat
- 1.Qc3?
- threat
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...d1Q
- 2.Sf3#
- 2.Sxc6#
- 1...d1S
- 2.Sf3#
- 2.Sxc6#
- 1...d1R
- 2.Sf3#
- 2.Sxc6#
- 1...Re1
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 1...Ref2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 2.Qe3#
- 1...Rg2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 2.Qe3#
- 1...Rh2
- 2.Sc2#
- 2.Se2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Se6#
- 2.Qe3#
- 1...Re3
- 2.Sf3#
- 2.Sxc6#
- 2.Qxe3#
- 1...Re4
- 2.Sf3#
- 2.Sxc6#
- 1...Rf3
- 2.Sxf3#
- 2.Sxc6#
- 1...Rf4
- 2.Sf3#
- 2.Sxc6#
- 1...Rf5
- 2.Sc2#
- 2.Sxe2#
- 2.Sf3#
- 2.S4xb5#
- 2.S4xf5#
- 2.Sxc6#
- 2.Se6#
- 1...Re6
- 2.Sc2#
- 2.Sxe2#
- 2.Sb3#
- 2.Sf3#
- 2.S4xb5#
- 2.S4f5#
- 2.Sxc6#
- 2.Sxe6#
- 2.Qg3#
- 1...b4
- 2.Sf3#
- 2.Sxc6#
- 1...Rxd6!
- threat
- 1.Sxc6+?
- Keys
- 1.Kb4!
- threat
- 2.Qc5#
- 1...c5+
- 2.Qxc5#
- 1...Kxd4
- 2.Qc3#
- 1...Kxd6
- 2.Qc5#
- 1...Rxd6
- 2.Sf3#
- threat
- 1.Kb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAR1(B),XR(b)
- R(f);N_GUARD::S(C),XR(f)
- R(f);N_GUARD::QAR1(B),XR(f)
- R(f);N_GUARD::S(G),XR(f)
- P(a);OGATE::QAR(B),XR(b)
- P(c);N_GUARD::S(G)
- Tries
- Try
- S(C);CHECK,XP(e)
- Refutation
- S(g);XS(C)
- Try
- Q(B);
- Threat
- QAB1(B),XR(f)
- Vars
- R(f);N_GUARD,XQ(B)::S(C)
- R(b);N_GUARD::QAR1(B)
- R(f);N_GUARD::QAR(B)
- R(f);N_GUARD::S(G),XR(f)
- Refutation
- R(f);
- Try
- Q(B);
- Threat
- DUALS(7)
- Refutation
- R(f);XS(G)
- Try
- Q(B);
- Threat
- DUALS(7)
- Refutation
- R(f);XS(G)
- Try
- Actual
- K(D);S_FLIGHT
- Threat
- QAR2(B)
- Vars
- P(e);CHECK::QAR2(B),XP(e)
- K(d);OGATEB,S_FLIGHT,XS(C)::QAB1(B)
- K(d);S_FLIGHT,XS(G)::QAB1(B)
- R(f);N_GUARD,SBLOCK,XS(G)::S(C)
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).