MESON Chess Problem Database
Problem Display
PID: 72425 (B3R3/2b5/r1N4K/p1BkN3/5n2/Q1P2P2/8/5b2 w - - 0 1)
Buchwald, Julius
Source?, 1934
#2
9 + 6
| 5759 | Selected Compositions of Julius Buchwald | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxc6+
- 2.Bxc6#
- 1...Ra7
- 2.Sxa7#
- 1...Bg2
- 2.c4#
- 1...Bh3
- 2.c4#
- 1...Bb6
- 2.Sa7#
- 1...Se2
- 2.c4#
- 1...Sd3
- 2.c4#
- 1...Rxc6+
- Tries
- 1.Bg1?
- threat
- 2.Qc5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Bb6
- 2.Sa7#
- 1...Bd6
- 2.Sb4#
- 1...Sd3
- 2.c4#
- 1...Se6!
- threat
- 1.Bf2?
- threat
- 2.Qc5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Bb6
- 2.Sa7#
- 1...Bd6
- 2.Sb4#
- 1...Sd3
- 2.c4#
- 1...Se6!
- threat
- 1.Be3?
- threat
- 2.Qc5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Bb6
- 2.Sa7#
- 1...Bd6
- 2.Sb4#
- 1...Sd3
- 2.c4#
- 1...Se6!
- threat
- 1.Bd6?
- threat
- 2.Qc5#
- 1...Se6
- 2.Se7#
- 1...Bb6
- 2.Sa7#
- 1...Sd3
- 2.c4#
- 1...Bxd6!
- threat
- 1.Bf8?
- threat
- 2.Qc5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Bb6
- 2.Sb4#
- 2.Sa7#
- 2.Qd6#
- 1...Bd6
- 2.Qxd6#
- 1...Sd3
- 2.Qa2#
- 2.Qb3#
- 2.c4#
- 1...Se6!
- threat
- 1.Qa2+?
- 1...Bc4
- 2.Qxc4#
- 1...Kxc5!
- 1...Bc4
- 1.Qb3+?
- 1...Bc4
- 2.Qxc4#
- 1...Kxc5!
- 1...Bc4
- 1.Bg1?
- Keys
- 1.Bd4!
- threat
- 2.Qc5#
- 1...Rxc6+
- 2.Bxc6#
- 1...Se6
- 2.Se7#
- 1...Bb6
- 2.Sa7#
- 1...Bd6
- 2.Sb4#
- 1...Sd3
- 2.c4#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- R(e);N_PINS(F)::B(H)+S(F),XR(e)
- B(a);N_GUARD::P(B)
- B(f);N_PINS(F)::B(H)+S(F)
- S(b);S_CUTB(a)::P(B)
- Tries
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- B(f);N_PINS(F)::B(H)+S(F)
- B(f);N_PINS(F),SBLOCK::B(H)+S(F),DCHECK
- S(b);S_CUTB(a)::P(B)
- Refutation
- S(b);N_PINS(F)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- B(f);N_PINS(F)::B(H)+S(F)
- B(f);N_PINS(F),SBLOCK::B(H)+S(F),DCHECK
- S(b);S_CUTB(a)::P(B)
- Refutation
- S(b);N_PINS(F)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- B(f);N_PINS(F)::B(H)+S(F)
- B(f);N_PINS(F),SBLOCK::B(H)+S(F),DCHECK
- S(b);S_CUTB(a)::P(B)
- Refutation
- S(b);N_PINS(F)
- Try
- B(D);N_SPINS(F)
- Threat
- QAR1(A)
- Vars
- S(b);SBLOCK::B(H)+S(F),DCHECK
- B(f);S_CUTR(e)::B(H)+S(F)
- S(b);S_CUTB(a)::P(B)
- Refutation
- B(f);XB(D)
- Try
- B(D);
- Threat
- QAR1(A)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- B(f);N_GUARD,N_PINS(F)::QAR1(A),XB(f)
- Refutation
- S(b);N_PINS(F)
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(A),XB(a)
- Refutation
- K(d);P-FLIGHT,XB(D)
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(A),XB(a)
- Refutation
- K(d);P-FLIGHT,XB(D)
- Try
- Actual
- B(D);
- Threat
- QAR1(A)
- Vars
- R(e);CHECK,OGATE,P_SPINR(e),XS(F)::B(H),XR(e)
- S(b);N_PINS(F),SBLOCK::B(H)+S(F),DCHECK
- B(f);N_PINS(F)::B(H)+S(F)
- B(f);N_PINS(F),SBLOCK::B(H)+S(F),DCHECK
- S(b);S_CUTB(a)::P(B)
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