MESON Chess Problem Database
Problem Display
PID: 87455 (R1qkB2R/2pNpP2/8/8/3B4/3Q4/2K4b/8 w - - 0 1)
Buglos, Janos
The Problemist, 1991
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb8
- 2.Rxb8#
- 1...e6
- 2.Bf6#
- 1...Qb8
- Tries
- 1.Sc5?
- threat
- 2.Se6#
- 2.Sb7#
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxb8#
- 1...c6
- 2.Se6#
- 2.Be5#
- 1...e6
- 2.Bf6#
- 1...Bg1
- 2.Se6#
- 2.Sb7#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Be5
- 2.Se6#
- 2.Sb7#
- 2.Bxe5#
- 1...Bd6
- 2.Se6#
- 2.Sb7#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...e5!
- threat
- 1.Se5?
- threat
- 2.Sc6#
- 2.Ba1#
- 2.Bg1#
- 2.Bb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Ba7#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Bxe5
- 2.Bxe5#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxb8#
- 1...c6
- 2.Bb6#
- 1...e6
- 2.Sc6#
- 2.Bc5#
- 1...Bg1
- 2.Sc6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...c5!
- threat
- 1.Sb6?
- threat
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxc8#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...c5
- 2.Be5#
- 2.Rxc8#
- 1...c6
- 2.Be5#
- 2.Rxc8#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bf6#
- 1...Qb8
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxb8#
- 1...Bg1
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxc8#
- 1...Be5
- 2.Bxe5#
- 2.Rxc8#
- 1...Bd6
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxc8#
- 1...cxb6+!
- threat
- 1.Sf6?
- threat
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...exf6
- 2.Bxf6#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 2.Rxb8#
- 1...c5
- 2.Be5#
- 1...c6
- 2.Be5#
- 2.Bb6#
- 1...e5
- 2.Bc5#
- 1...Bg1
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Be5
- 2.Bxe5#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Bd6
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...e6!
- threat
- 1.Sb8?
- threat
- 2.Sc6#
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Bd7#
- 1...Qxb8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Rxb8#
- 1...Qh3
- 2.Sc6#
- 2.Sd7#
- 1...Qg4
- 2.Sc6#
- 2.Sd7#
- 1...Qd7
- 2.Sc6#
- 2.Sxd7#
- 2.Bxd7#
- 1...c6
- 2.Bb6#
- 1...e5
- 2.Sc6#
- 1...e6
- 2.Sc6#
- 2.Bf6#
- 1...Be5
- 2.Sc6#
- 1...c5!
- threat
- 1.Sf8?
- threat
- 2.Se6#
- 2.Be5#
- 1...Qb8
- 2.Rxb8#
- 1...e5
- 2.Bc5#
- 1...e6
- 2.Bf6#
- 1...Bg1
- 2.Se6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 1...Be5
- 2.Se6#
- 2.Bxe5#
- 1...Bd6
- 2.Se6#
- 1...Qxa8!
- threat
- 1.Sc5?
- Keys
- 1.Qa6!
- threat
- 2.Rxc8#
- 2.Qxc8#
- 1...Qxa8
- 2.Qxa8#
- 1...e5
- 2.Qf6#
- 1...e6
- 2.Bf6#
- 1...Qb8
- 2.Rxb8#
- threat
- 1.Qa6!
This is a version of 7585
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(d);OGATEB::R(F),XQ(d)
- P(c);OGATEB::B(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(7)
- Vars
- P(c);::QAR(B)+B(C),DCHECK
- Refutation
- P(c);
- Try
- S(D);
- Threat
- DUALS(14)
- Vars
- B(a);OGATE,XS(D)::QAR(B)+B(C),XB(a)
- P(b);::QAR(B)+B(C),DCHECK
- Refutation
- P(b);
- Try
- S(D);
- Threat
- DUALS(6)
- Vars
- P(c);S_CUTB(a)::QAR(B)+B(C)
- P(c);::QAR(B)+B(C),DCHECK
- Refutation
- P(b);CHECK,XS(D)
- Try
- S(D);
- Threat
- DUALS(5)
- Vars
- P(c);OGATE,XS(D)::QAR(B)+B(C),DCHECK,XP(c)
- P(b);::QAR(B)+B(C)
- P(c);S_CUTB(a)::QAR(B)+B(C)
- Refutation
- P(c);
- Try
- S(D);N_PINQ(d)
- Threat
- DUALS(5)
- Vars
- P(b);::QAR(B)+B(C),DCHECK
- P(c);::S(D)
- B(a);::S(D)
- Refutation
- P(b);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(d);OGATEB::R(F),XQ(d)
- P(c);S_CUTB(a)::QAR(B)+B(C)
- P(c);::QAR(B)+B(C),DCHECK
- B(a);::S(D)
- Refutation
- Q(d);N_SPINQ(d),XR(F)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(d);N_SPINQ(d),OGATE,XR(F)::QAR(B),XQ(d)
- P(c);OGATEB::QAB(B)
- P(c);OGATEB::B(C)
- Q(d);OGATEB::R(F),XQ(d)
Developed and maintained by Brian Stephenson.
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