MESON Chess Problem Database
Problem Display
PID: 119793 (8/3N2pK/4r1P1/2R5/4k3/p1r1Bp2/P1P2P2/5Q2 w - - 0 1)
Schindler, Ferdinand
Lusatia, 1885
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Qc4#
- 1...Rd3
- 2.Qxd3#
- 2.cxd3#
- 1...Rxe3
- 2.Qc4#
- 1...Rc4
- 2.Qd3#
- 2.Qxc4#
- 1...Rxc5
- 2.Qd3#
- 1...Re5
- 2.Rxe5#
- 1...Ra6
- 2.Re5#
- 1...Rb6
- 2.Re5#
- 1...Rc6
- 2.Re5#
- 1...Rd6
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Rxg6
- 2.Re5#
- 1...Rb3
- Tries
- 1.Rc4+?
- 1...Kf5
- 2.Qh3#
- 1...Rxc4
- 2.Qd3#
- 1...Kd5!
- 1...Kf5
- 1.Qh3?
- threat
- 2.Qg4#
- 2.Qf5#
- 2.Qxe6#
- 2.Qh4#
- 1...Rxc2
- 2.Qf5#
- 1...Rxe3
- 2.Qg4#
- 2.Qh4#
- 1...Rxg6
- 2.Re5#
- 2.Qf5#
- 1...Re7
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Re5
- 2.Rxe5#
- 2.Qg4#
- 1...Ra6
- 2.Re5#
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Rb6
- 2.Re5#
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Rc6
- 2.Re5#
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Rd6
- 2.Re5#
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Rf6
- 2.Re5#
- 1...Re8
- 2.Qg4#
- 2.Qf5#
- 2.Qh4#
- 1...Rxc5!
- threat
- 1.Qb5?
- 1...Rxe3
- 2.Rc4#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 1...Rxc5
- 2.Qd3#
- 1...Rxg6
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Re7
- 2.Qc6#
- 2.Qb7#
- 1...Rb3
- 2.Rc4#
- 2.Qc4#
- 1...Rd3
- 2.Qxd3#
- 2.cxd3#
- 1...Rc4
- 2.Rxc4#
- 2.Qxc4#
- 1...Ra6
- 2.Re5#
- 1...Rb6
- 2.Re5#
- 1...Rc6
- 2.Re5#
- 2.Qxc6#
- 1...Rd6
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Re8
- 2.Qc6#
- 2.Qb7#
- 1...Rxc2!
- 1...Rxe3
- 1.Qa6?
- threat
- 2.Qxe6#
- 1...Rxe3
- 2.Qc4#
- 2.Qa4#
- 1...Rxc5
- 2.Qd3#
- 1...Rxa6
- 2.Re5#
- 1...Rxg6
- 2.Re5#
- 2.Qxg6#
- 1...Re5
- 2.Rxe5#
- 1...Re7
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Rb6
- 2.Re5#
- 1...Rc6
- 2.Re5#
- 2.Qxc6#
- 1...Rd6
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Re8
- 2.Qb7#
- 2.Qc6#
- 1...Rxc2!
- threat
- 1.Qd1?
- threat
- 2.Qd4#
- 2.Qd5#
- 1...Rxc5
- 2.Qd3#
- 1...Re5
- 2.Rxe5#
- 1...Rd3
- 2.Qxd3#
- 2.cxd3#
- 1...Rc4
- 2.Qd3#
- 2.Qd5#
- 1...Rd6
- 2.Re5#
- 1...Rxe3!
- threat
- 1.Rc4+?
- Keys
- 1.Qb1!
- 1...Rxc2
- 2.Qxc2#
- 1...Rxe3
- 2.Qb4#
- 1...Rxc5
- 2.c4#
- 1...Rxg6
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Re7
- 2.Qb7#
- 1...Rb3
- 2.cxb3#
- 1...Rd3
- 2.cxd3#
- 1...Rc4
- 2.c3#
- 1...Ra6
- 2.Re5#
- 1...Rb6
- 2.Re5#
- 1...Rc6
- 2.Re5#
- 1...Rd6
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Re8
- 2.Qb7#
- 1...Rxc2
- 1.Qb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR2(A)
- R(b);N_GUARD,XB(E)::QAR2(A)
- R(b);N_GUARD,XR(F)::QAB1(A)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- R(e);N_GUARD,XP(G)::R1(F)
- Tries
- Try
- R(F);CHECK
- Vars
- K(d);S_FLIGHT::QAB(A)
- R(b);XR(F)::QAB1(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(b);XP(C)::QAB1(A)
- R(e);N_GUARD::R1(F)
- Refutation
- R(b);XR(F)
- Try
- Q(A);
- Vars
- R(b);N_GUARD,XR(F)::QAB1(A)
- R(e);N_GUARD,XP(G)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- Refutation
- R(b);XP(C)
- Try
- Q(A);
- Threat
- QAR2(A),XR(e)
- Vars
- R(b);N_GUARD,XR(F)::QAB1(A)
- R(e);N_GUARD,XQ(A)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- Refutation
- R(b);XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XR(F)::QAB1(A)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::R1(F)
- Refutation
- R(b);XB(E)
- Try
- Actual
- Q(A);
- Vars
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XB(E)::QAR(A)
- R(b);OGATE,XR(F)::QAB(A)+P(C)
- R(e);N_GUARD,XP(G)::R1(F)
- R(e);N_GUARD::R1(F),XR(e)
- R(e);N_GUARD::QAB(A)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- R(e);N_GUARD::R1(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).