MESON Chess Problem Database
Problem Display
PID: 54337 (3b4/1p2R3/8/4Q3/k7/5RK1/3B4/8 w - - 0 1)
Blaschke, Friedrich
3rd Prize, Schach-Echo, 1953
#2
5 + 3
| 56 | The Problemist | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Qxa5#
- 1...Bxe7
- 2.Qa5#
- 1...b5
- 2.Qa1#
- 1...b6
- 2.Ra7#
- 1...Ba5
- Tries
- 1.Rxb7?
- threat
- 2.Rb4#
- 2.Qa1#
- 2.Qd4#
- 2.Qf4#
- 2.Qe4#
- 2.Qb5#
- 2.Qe8#
- 1...Bc7
- 2.Rb4#
- 1...Ba5
- 2.Qa1#
- 2.Qxa5#
- 2.Qb5#
- 2.Qe8#
- 1...Bg5
- 2.Rb4#
- 2.Ra7#
- 2.Qa1#
- 2.Qd4#
- 2.Qe4#
- 2.Qa5#
- 2.Qb5#
- 2.Qe8#
- 1...Bb6
- 2.Qe8#
- 1...Bf6
- 2.Rb4#
- 2.Ra7#
- 2.Qa5#
- 2.Qb5#
- 2.Qe8#
- 1...Be7
- 2.Ra7#
- 2.Qa5#
- 2.Qb5#
- 1...Bh4+!
- threat
- 1.Ref7?
- threat
- 2.R7f4#
- 1...Ba5
- 2.Qxa5#
- 1...Bg5
- 2.Qa5#
- 1...Bb6
- 2.Qe8#
- 1...Bf6
- 2.Qa5#
- 1...Be7
- 2.Qa5#
- 1...b5
- 2.Qa1#
- 1...Bh4+!
- threat
- 1.Rg7?
- threat
- 2.Rg4#
- 1...Ba5
- 2.Qxa5#
- 1...Bg5
- 2.Qa5#
- 1...Bb6
- 2.Qe8#
- 1...Be7
- 2.Qa5#
- 1...b5
- 2.Qa1#
- 1...Bh4+!
- threat
- 1.Qb2?
- threat
- 2.Ra3#
- 2.Rf4#
- 2.Re4#
- 2.Qb3#
- 2.Qb4#
- 1...Bxe7
- 2.Qb3#
- 1...Ba5
- 2.Ra3#
- 2.Qb3#
- 1...Bb6
- 2.Ra3#
- 2.Qb3#
- 2.Qb4#
- 1...b5
- 2.Ra3#
- 2.Qa1#
- 2.Qa3#
- 2.Qa2#
- 2.Qc2#
- 2.Qb3#
- 2.Qb4#
- 1...Bc7+!
- threat
- 1.Qc5?
- threat
- 2.Ra3#
- 2.Re4#
- 2.Qb4#
- 2.Qc4#
- 1...Bxe7
- 2.Ra3#
- 2.Qa5#
- 1...Ba5
- 2.Ra3#
- 2.Qxa5#
- 1...b5
- 2.Ra3#
- 2.Qa3#
- 2.Qb4#
- 2.Qc2#
- 1...Bc7+!
- threat
- 1.Qd5?
- threat
- 2.Re4#
- 2.Qb3#
- 2.Qc4#
- 1...Bxe7
- 2.Qb3#
- 2.Qa5#
- 1...Ba5
- 2.Qb3#
- 2.Qxa5#
- 1...Bb6
- 2.Qb3#
- 2.Qc4#
- 2.Qd7#
- 1...b5
- 2.Qa2#
- 2.Qb3#
- 1...Bc7+!
- threat
- 1.Qf5?
- threat
- 2.Re4#
- 1...Bxe7
- 2.Qa5#
- 1...Ba5
- 2.Qxa5#
- 1...Bb6
- 2.Qd7#
- 1...b5
- 2.Qc2#
- 1...Bc7+!
- threat
- 1.Rxb7?
- Keys
- 1.Rh7!
- 1...Bh4+
- 2.Rxh4#
- 1...Bc7
- 2.Rh4#
- 1...Ba5
- 2.Qxa5#
- 1...Bg5
- 2.Qa5#
- 1...Bb6
- 2.Qe8#
- 1...Bf6
- 2.Qa5#
- 1...Be7
- 2.Qa5#
- 1...b5
- 2.Qa1#
- 1...b6
- 2.Ra7#
- 1...Bh4+
- 1.Rh7!
This is a version of 18116
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);N_GUARD,XR(E)::QAR1(D)
- P(b);SBLOCK::QAR(D)
- P(b);OGATE::R(E)
- Tries
- Try
- R(E);XP(b)
- Threat
- DUALS(7)
- Vars
- B(c);P_PINQ(D)::R1(E)
- B(c);::QAB(D)
- Refutation
- B(c);CHECK
- Try
- R(E);
- Threat
- R(E)
- Vars
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);N_GUARD::QAR1(D)
- B(c);S_CUTP(b)::QAB(D)
- P(b);SBLOCK::QAR(D)
- Refutation
- B(c);CHECK
- Try
- R(E);
- Threat
- R(E)
- Vars
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);N_GUARD::QAR1(D)
- B(c);S_CUTP(b)::QAB(D)
- P(b);SBLOCK::QAR(D)
- Refutation
- B(c);CHECK
- Try
- Q(D);
- Threat
- DUALS(5)
- Vars
- B(c);XR(E)::QAB1(D)
- Refutation
- B(c);CHECK
- Try
- Q(D);
- Threat
- DUALS(4)
- Refutation
- B(c);CHECK
- Try
- Q(D);
- Threat
- DUALS(3)
- Refutation
- B(c);CHECK
- Try
- Q(D);
- Threat
- R(E)
- Vars
- B(c);N_GUARD,XR(E)::QAR1(D)
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);S_CUTP(b)::QAB(D)
- P(b);SBLOCK::QAB(D)
- Refutation
- B(c);CHECK
- Try
- Actual
- R(E);
- Vars
- B(c);CHECK,N_GUARD::R(E),XB(c)
- B(c);N_GUARD,P_PINQ(D)::R(E)
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);N_GUARD::QAR1(D)
- B(c);S_CUTP(b)::QAB(D)
- P(b);SBLOCK::QAR(D)
- P(b);OGATE::R(E)
Developed and maintained by Brian Stephenson.
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