MESON Chess Problem Database
Problem Display
PID: 167772 (8/1R4pN/n4Pkb/q1p3pr/P3R3/2p2P2/p3Qpn1/K1B5 w - - 0 1)
Schindler, Ferdinand
10th Place, Baltimore Sunday News, 1888
#2
9 + 12
| 14868 | Pirnie Collection | 2018 |
SOLUTION
- SOUND
- Tries
- 1.Rxg7+?
- 1...Kf5
- 2.Re5#
- 1...Bxg7!
- 1...Kf5
- 1.Qd3?
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Reb4#
- 2.Rc4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Re6#
- 2.Ree7#
- 2.Re8#
- 1...Kf5
- 2.Re1#
- 2.Re2#
- 2.Ree7#
- 2.Re8#
- 1...Kxh7
- 2.Re8#
- 1...Qxa4
- 2.Rxa4#
- 2.Reb4#
- 2.Rc4#
- 2.Rd4#
- 1...gxf6
- 2.Re6#
- 1...Qc7
- 2.Re7#
- 1...Rh1
- 2.Rh4#
- 1...Rh2
- 2.Rh4#
- 1...Rh3
- 2.Rh4#
- 1...Rh4
- 2.Rxh4#
- 1...Sc7
- 2.Re7#
- 1...f1Q
- 2.Re2#
- 1...f1B
- 2.Re2#
- 1...Qb4
- 2.Rexb4#
- 2.Rc4#
- 2.Rd4#
- 1...Qd8
- 2.Rd4#
- 1...Qb5
- 2.Rc4#
- 1...Se1
- 2.Rxe1#
- 1...Se3
- 2.Rxe3#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rxh4#
- 1...Sb4
- 2.Rexb4#
- 1...g4
- 2.Rxg4#
- 1...c4!
- threat
- 1.Rxg7+?
- Keys
- 1.Qc2!
- threat
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Reb4#
- 2.Rc4#
- 2.Rd4#
- 2.Rf4#
- 2.Rg4#
- 2.Rh4#
- 2.Re5#
- 2.Re6#
- 2.Ree7#
- 2.Re8#
- 1...Kf5
- 2.Re1#
- 2.Re2#
- 2.Ree7#
- 2.Re8#
- 1...Kxh7
- 2.Re8#
- 1...Qxa4
- 2.Rxa4#
- 1...gxf6
- 2.Re6#
- 1...Qc7
- 2.Re7#
- 1...Rh1
- 2.Rh4#
- 1...Rh2
- 2.Rh4#
- 1...Rh3
- 2.Rh4#
- 1...Rh4
- 2.Rxh4#
- 1...Sc7
- 2.Re7#
- 1...f1Q
- 2.Re2#
- 1...f1B
- 2.Re2#
- 1...Qb4
- 2.Rexb4#
- 2.Rc4#
- 2.Rd4#
- 1...Qd8
- 2.Rd4#
- 1...Qb5
- 2.Rc4#
- 1...Se1
- 2.Rxe1#
- 1...Se3
- 2.Rxe3#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rxh4#
- 1...Sb4
- 2.Rexb4#
- 1...c4
- 2.Re5#
- 1...g4
- 2.Rxg4#
- threat
- 1.Qc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 20
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(H);CHECK,XP(l)
- Vars
- K(j);S_FLIGHT::R1(F)
- Refutation
- B(k);XR(H)
- Try
- Q(C);
- Threat
- DUALS(13)
- Vars
- K(j);P_SPINP(l),S_FLIGHT,XS(I)::QAB(C)+R(F)
- P(l);XP(G)::QAB(C)+R(F)
- Q(e);::QAB(C)+R(F)
- R(h);P_PINB(B)::QAB(C)+R(F)
- R(h);::QAB(C)+R(F)
- R(h);::QAB(C)+R(F),XR(h)
- S(i);::QAB(C)+R(F)
- P(b);P_PINB(B)::QAB(C)+R(F)
- P(b);::QAB(C)+R(F)
- S(c);::QAB(C)+R(F),XS(c)
- S(i);::QAB(C)+R(F),XS(i)
- P(g);::QAB(C)+R(F),DCHECK,XP(g)
- Refutation
- P(f);
- Try
- Actual
- Q(C);
- Threat
- DUALS(13)
- Vars
- K(j);P_SPINP(l),S_FLIGHT,XS(I)::QAB(C)+R(F)
- Q(e);OGATE,XP(E)::QAB(C)+R(F),XQ(e)
- P(l);XP(G)::QAB(C)+R(F)
- Q(e);::QAB(C)+R(F)
- R(h);P_PINB(B)::QAB(C)+R(F)
- R(h);::QAB(C)+R(F)
- R(h);::QAB(C)+R(F),XR(h)
- S(i);::QAB(C)+R(F)
- P(b);P_PINB(B)::QAB(C)+R(F)
- P(b);::QAB(C)+R(F)
- S(c);::QAB(C)+R(F),XS(c)
- S(i);::QAB(C)+R(F),XS(i)
- P(f);::QAB(C)+R(F)
- P(g);::QAB(C)+R(F),DCHECK,XP(g)
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).