MESON Chess Problem Database
Problem Display
PID: 110591 (BQ6/BK3p1r/P1R2P2/1p3p2/bN2kpn1/R1b2p2/5PP1/8 w - - 0 1)
Baier, Roland
Ott, Markus Johannes
Bled-80, 1980
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.gxf3#
- 1...Be1
- 2.gxf3#
- 1...Bb2
- 2.gxf3#
- 1...Bd2
- 2.gxf3#
- 1...Bd4
- 2.gxf3#
- 1...Be5
- 2.gxf3#
- 1...Bxf6
- 2.gxf3#
- 1...Ba1
- Tries
- 1.Kb6?
- threat
- 2.Rc4#
- 1...Bd4+
- 2.Rc5#
- 1...Kd4
- 2.Qxf4#
- 1...Sxf2!
- threat
- 1.Kc8?
- threat
- 2.Rcxc3#
- 2.Rc4#
- 2.Re6#
- 1...Bxb4
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 1...Bxf6
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 2.Rxf6#
- 2.gxf3#
- 1...Sxf6
- 2.Rc4#
- 2.Re6#
- 2.Rxf6#
- 1...Ba1
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 2.gxf3#
- 1...Be1
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 2.gxf3#
- 1...Bb2
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 2.gxf3#
- 1...Bd2
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Re6#
- 2.gxf3#
- 1...Bd4
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rb6#
- 2.Re6#
- 2.gxf3#
- 1...Be5
- 2.Rc1#
- 2.Rc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rd6#
- 2.Re6#
- 2.Rc7#
- 2.gxf3#
- 1...Bb3
- 2.Rc4#
- 2.Re6#
- 1...Se3
- 2.Rc4#
- 2.Re6#
- 1...Se5
- 2.Rc4#
- 2.Re6#
- 1...Rh8+!
- threat
- 1.Rcxc3?
- threat
- 2.Kc8#
- 2.gxf3#
- 1...Sxf6
- 2.gxf3#
- 1...fxg2
- 2.Kc8#
- 2.f3#
- 1...Rh3
- 2.Kc8#
- 1...Rh8
- 2.gxf3#
- 1...Bd1
- 2.Kc8#
- 1...Bb3
- 2.gxf3#
- 1...Sh2
- 2.Kc8#
- 2.Qe8#
- 1...Se3
- 2.Qe8#
- 1...Se5!
- threat
- 1.Rc4+?
- 1...Bd4
- 2.Kc8#
- 2.Rxd4#
- 2.gxf3#
- 1...bxc4!
- 1...Bd4
- 1.Re6+?
- 1...Be5
- 2.Kc8#
- 2.gxf3#
- 1...Se5
- 2.Kc7#
- 2.Kc8#
- 1...fxe6+!
- 1...Be5
- 1.Qe8+?
- 1...Be5
- 2.gxf3#
- 1...Se5!
- 1...Be5
- 1.Kb6?
- Keys
- 1.Kc7!
- threat
- 2.Re6#
- 1...Be5+
- 2.Rd6#
- 1...Ke5
- 2.Qe8#
- threat
- 1.Kc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(a);::P(B),XP(b)
- B(a);XP(G)::P(B),XP(b)
- Tries
- Try
- K(I);P-FLIGHT
- Threat
- B(J)+R(F),DCHECK
- Vars
- B(a);CHECK,SBLOCK::B(J)+R(F)
- K(d);P-FLIGHT::QAR2(K),XP(e)
- Refutation
- S(f);XP(A)
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(3)
- Refutation
- R(j);CHECK
- Try
- R(F);XB(a)
- Threat
- DUALS(2)
- Vars
- S(f);XP(G)::P(B),XP(b)
- R(j);::B(J)+K(I)
- R(j);::P(B),XP(b)
- B(c);::B(J)+K(I)
- B(c);::P(B),XP(b)
- S(f);N_GUARD::QAR(K)
- Refutation
- S(f);
- Try
- R(F);CHECK
- Refutation
- P(g);XR(F)
- Try
- R(F);CHECK
- Refutation
- P(i);CHECK,XR(F)
- Try
- Q(K);CHECK
- Vars
- B(a);P_SPINB(a)::P(B),XP(b)
- Refutation
- S(f);P_SPINS(f)
- Try
- Actual
- K(I);P-FLIGHT
- Threat
- B(J)+R(F),DCHECK
- Vars
- B(a);CHECK,SBLOCK::B(J)+R(F)
- K(d);P-FLIGHT::QAR(K)
Developed and maintained by Brian Stephenson.
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