MESON Chess Problem Database
Problem Display
PID: 85823 (k7/2Kp4/1P1P4/2P3R1/8/4P2p/1P3P1p/6qR w - - 0 1)
Speckmann, Werner
Schach, 1956
#2
9 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qxh1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3
- 2.Ra1#
- 1...Qxg5
- 2.Ra1#
- 1...Qxf2
- Tries
- 1.Rg2?
- 1...Qxf2
- 2.Ra1#
- 1...Qxh1
- 2.Rg8#
- 1...Qxg2
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...hxg2!
- 1...Qxf2
- 1.Rg4?
- threat
- 2.Ra4#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qxg4!
- threat
- 1.Re5?
- threat
- 2.Re8#
- 1...Qg5
- 2.Ra1#
- 1...Qg6
- 2.Ra1#
- 1...Qg8!
- threat
- 1.Rf5?
- threat
- 2.Rf8#
- 1...Qxf2
- 2.Ra1#
- 1...Qg5
- 2.Ra1#
- 1...Qg6
- 2.Ra1#
- 1...Qg7
- 2.Ra1#
- 1...Qg8!
- threat
- 1.Rg6?
- 1...Qxf2
- 2.Ra1#
- 1...Qxh1
- 2.Rg8#
- 1...Qxg6
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3
- 2.Ra1#
- 1...Qg5
- 2.Ra1#
- 1...Qg4!
- 1...Qxf2
- 1.Rg7?
- 1...Qxf2
- 2.Ra1#
- 1...Qxh1
- 2.Rg8#
- 1...Qxg7
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3
- 2.Ra1#
- 1...Qg5
- 2.Ra1#
- 1...Qg6
- 2.Ra1#
- 1...Qg4!
- 1...Qxf2
- 1.b4?
- 1...Qxh1
- 2.Rg8#
- 1...Qxg5
- 2.Ra1#
- 1...Qg4
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3
- 2.Ra1#
- 1...Qxf2!
- 1...Qxh1
- 1.f4?
- 1...Qxh1
- 2.Rg8#
- 1...Qxg5
- 2.Ra1#
- 1...Qg4
- 2.Ra1#
- 1...Qf2
- 2.Ra1#
- 2.Rg8#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3
- 2.Ra1#
- 1...Qxe3!
- 1...Qxh1
- 1.e4?
- 1...Qxf2
- 2.Ra1#
- 1...Qxh1
- 2.Rg8#
- 1...Qxg5
- 2.Ra1#
- 1...Qg4
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qg3!
- 1...Qxf2
- 1.c6?
- threat
- 2.Ra5#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qxg5!
- threat
- 1.Rg2?
- Keys
- 1.Rg3!
- 1...Qxf2
- 2.Ra1#
- 1...Qxh1
- 2.Rg8#
- 1...Qxg3
- 2.Ra1#
- 1...Qa1
- 2.Rxa1#
- 2.Rg8#
- 1...Qb1
- 2.Rg8#
- 1...Qc1
- 2.Rg8#
- 1...Qd1
- 2.Rg8#
- 1...Qe1
- 2.Rg8#
- 1...Qf1
- 2.Rg8#
- 1...Qg2
- 2.Ra1#
- 1...Qxf2
- 1.Rg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE::R(A)
- Q(a);OGATE,P_PINP(H)::R(A)
- Q(a);OGATE,XR(F)::R(A)
- Tries
- Try
- R(F);
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Refutation
- P(c);XR(F)
- Try
- R(F);
- Threat
- R(F)
- Vars
- Q(a);N_GUARD::R(F)
- Refutation
- Q(a);XR(F)
- Try
- R(F);
- Threat
- R(F)
- Vars
- Q(a);OGATE::R(A)
- Refutation
- Q(a);
- Try
- R(F);
- Threat
- R(F)
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);OGATE::R(A)
- Refutation
- Q(a);
- Try
- R(F);
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Q(a);OGATE::R(A)
- Q(a);OGATE,P_PINP(H)::R(A)
- Refutation
- Q(a);
- Try
- R(F);
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Q(a);OGATE::R(A)
- Q(a);OGATE,P_PINP(H)::R(A)
- Refutation
- Q(a);
- Try
- P(B);
- Vars
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);OGATE::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Q(a);OGATE,P_PINP(H)::R(A)
- Refutation
- Q(a);XP(C)
- Try
- P(C);
- Vars
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);OGATE::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Refutation
- Q(a);XP(D)
- Try
- P(D);
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,XR(F)::R(A)
- Q(a);OGATE::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Refutation
- Q(a);P_PINP(H)
- Try
- P(E);
- Threat
- R(F)
- Vars
- Q(a);N_GUARD::R(F)
- Refutation
- Q(a);XR(F)
- Try
- Actual
- R(F);
- Vars
- Q(a);OGATE,XP(C)::R(A)
- Q(a);N_GUARD,XR(A)::R(F)
- Q(a);OGATE,P_PINP(H),XR(F)::R(A)
- Q(a);N_GUARD::R(F)
- Q(a);N_GUARD,P_PINP(E)::R(F)
- Q(a);OGATE::R(A)
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).