MESON Chess Problem Database
Problem Display
PID: 186101 (6Q1/3p4/3Pp3/4pN2/1P2knR1/1P1p4/3PpR2/4K3 w - - 0 1)
Kraemer, Adolf Herrmann Rudolf Ferdinand
Basler Nachrichten, 1921
#2
9 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qa8#
- 1...Kxf5
- 2.Qg6#
- 1...exf5
- 2.Qc4#
- 1...Kd5
- Tries
- 1.Rxe2+?
- 1...Kf3
- 2.Sh4#
- 2.Re3#
- 2.Rg3#
- 1...Kd5
- 2.Qa8#
- 1...Kxf5
- 2.Qg5#
- 1...dxe2!
- 1...Kf3
- 1.Rfxf4+?
- 1...Kd5
- 2.Qa8#
- 1...exf4!
- 1...Kd5
- 1.Rgg2?
- 1...Sxg2+
- 2.Qxg2#
- 1...Kd5
- 2.Qa8#
- 1...Kxf5
- 2.Qg6#
- 1...exf5
- 2.Qc4#
- 1...Sh3
- 2.Qa8#
- 1...Sh5
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Sd5!
- 1...Sxg2+
- 1.Rgxf4+?
- 1...Kd5
- 2.Qa8#
- 1...exf4!
- 1...Kd5
- 1.Rh4?
- 1...Kd5
- 2.Qa8#
- 1...exf5
- 2.Qc4#
- 1...Kxf5!
- 1...Kd5
- 1.Qf7?
- 1...exf5
- 2.Qc4#
- 1...Kd5!
- 1...exf5
- 1.Qc8?
- 1...Kd5
- 2.Qb7#
- 2.Qc4#
- 2.Qa8#
- 1...exf5
- 2.Qc4#
- 1...Kxf5!
- 1...Kd5
- 1.Qe8?
- 1...Kd5
- 2.Qa8#
- 1...Kxf5
- 2.Qg6#
- 1...exf5!
- 1...Kd5
- 1.Qf8?
- 1...Kd5
- 2.Qa8#
- 1...exf5!
- 1...Kd5
- 1.b5?
- 1...Kxf5
- 2.Qg6#
- 1...exf5
- 2.Qc4#
- 1...Kd5!
- 1...Kxf5
- 1.Rxe2+?
- Keys
- 1.Rg1!
- 1...Sg2+
- 2.Qxg2#
- 1...Kd5
- 2.Qa8#
- 1...Kxf5
- 2.Qg6#
- 1...exf5
- 2.Qc4#
- 1...Sh3
- 2.Qg2#
- 2.Qa8#
- 1...Sd5
- 2.Qg2#
- 1...Sh5
- 2.Qg2#
- 2.Qa8#
- 1...Sg6
- 2.Qa8#
- 1...Sg2+
- 1.Rg1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(c);N_SPINS(d),P_SPINP(f),S_FLIGHT::QAB(I)
- K(c);OGATEB,S_FLIGHT,XS(G)::QAB1(I)
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- Tries
- Try
- R(C);CHECK,XP(a)
- Vars
- K(c);N_SPINS(d),P_SPINP(f),S_FLIGHT::QAB(I)
- K(c);N_SPINS(d),S_FLIGHT,XS(G)::QAR1(I)
- Refutation
- P(b);XR(C)
- Try
- R(C);CHECK,XS(d)
- Vars
- K(c);P_SPINP(f),S_FLIGHT::QAB(I)
- Refutation
- P(e);P_SPINP(e),XR(C)
- Try
- R(F);N_PINS(d)
- Vars
- S(d);CHECK,OGATE,XR(F)::QAB(I),XS(d)
- K(c);P_SPINP(f),S_FLIGHT::QAB(I)
- K(c);OGATEB,P_SPINS(d),S_FLIGHT,XS(G)::QAB1(I)
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- S(d);N_GUARD::QAB(I)
- Refutation
- S(d);
- Try
- R(F);CHECK,XS(d)
- Vars
- K(c);P_SPINP(f),S_FLIGHT::QAB(I)
- Refutation
- P(e);XR(F)
- Try
- R(F);
- Vars
- K(c);N_SPINS(d),P_SPINP(f),S_FLIGHT::QAB(I)
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- Refutation
- K(c);S_FLIGHT,XS(G)
- Try
- Q(I);
- Vars
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- Refutation
- K(c);N_SPINS(d),P_SPINP(f),S_FLIGHT
- Try
- Q(I);
- Vars
- P(f);SBLOCK,XS(G)::QAR2(I)
- Refutation
- K(c);S_FLIGHT,XS(G)
- Try
- Q(I);
- Vars
- K(c);N_SPINS(d),S_FLIGHT::QAB(I)
- K(c);OGATEB,S_FLIGHT,XS(G)::QAB1(I)
- Refutation
- P(f);P_SPINP(e),XS(G)
- Try
- Q(I);
- Vars
- K(c);N_SPINS(d),S_FLIGHT::QAB(I)
- Refutation
- P(f);XS(G)
- Try
- P(E);
- Vars
- K(c);OGATEB,S_FLIGHT,XS(G)::QAB1(I)
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- Refutation
- K(c);N_SPINS(d),P_SPINP(f),S_FLIGHT
- Try
- Actual
- R(F);N_PINS(d)
- Vars
- S(d);CHECK,N_GUARD::QAB(I),XS(d)
- K(c);P_SPINP(f),S_FLIGHT::QAB(I)
- K(c);OGATEB,P_SPINS(d),S_FLIGHT,XS(G)::QAB1(I)
- P(f);OGATE,SBLOCK,XS(G)::QAR2(I)
- S(d);N_GUARD,SBLOCK::QAB(I)
- S(d);N_GUARD::QAB(I)
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).