MESON Chess Problem Database
Problem Display
PID: 7585 (R1qkB1R1/2pNp3/8/6p1/3B1br1/2KQp3/8/8 w - - 0 1)
Buglos, Janos
The Problemist, 1991
#2
7 + 8
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.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxb8#
- 1...c6
- 2.Se6#
- 2.Be5#
- 1...e6
- 2.Bf6#
- 1...Bh2
- 2.Se6#
- 2.Sb7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bg3
- 2.Se6#
- 2.Sb7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Be5
- 2.Se6#
- 2.Sb7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bd6
- 2.Se6#
- 2.Sb7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...e5!
- threat
- 1.Se5?
- threat
- 2.Sc6#
- 2.Sf7#
- 2.Bxe3#
- 2.Bc5#
- 2.Bb6#
- 2.Ba7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bxe5
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxb8#
- 1...c6
- 2.Bb6#
- 1...e6
- 2.Sc6#
- 2.Bc5#
- 1...Bh2
- 2.Sc6#
- 2.Sf7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bg3
- 2.Sc6#
- 2.Sf7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...e2
- 2.Sc6#
- 2.Sf7#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Ba7#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...c5!
- threat
- 1.Sb6?
- threat
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxc8#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 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.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxb8#
- 1...Bh2
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxc8#
- 1...Bg3
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxc8#
- 1...Be5
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxc8#
- 1...Bd6
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxc8#
- 1...cxb6+!
- threat
- 1.Sf6?
- threat
- 2.Be5#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Qxa8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...exf6
- 2.Bxf6#
- 1...Qb8
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 2.Rxb8#
- 1...c5
- 2.Be5#
- 1...c6
- 2.Be5#
- 2.Bb6#
- 1...e5
- 2.Bc5#
- 1...Bh2
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bg3
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Be5
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Bd6
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...e6!
- threat
- 1.Sb8?
- threat
- 2.Sc6#
- 2.Ba4#
- 2.Bb5#
- 2.Bh5#
- 2.Bc6#
- 2.Bg6#
- 2.Bd7#
- 2.Bf7#
- 1...Qxb8
- 2.Ba4#
- 2.Bb5#
- 2.Bc6#
- 2.Rxb8#
- 1...Qf5
- 2.Sc6#
- 2.Sd7#
- 2.Bf7#
- 1...Qe6
- 2.Sc6#
- 2.Sd7#
- 2.Bf7#
- 1...Qd7
- 2.Sc6#
- 2.Sxd7#
- 2.Bxd7#
- 1...c6
- 2.Bb6#
- 1...e5
- 2.Sc6#
- 1...e6
- 2.Sc6#
- 2.Bf6#
- 1...c5!
- threat
- 1.Be5?
- threat
- 2.Sc5#
- 2.Sb6#
- 2.Sf6#
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 1...Qxa8
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 1...Qb8
- 2.Sb6#
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 2.Rxb8#
- 1...e6
- 2.Bf6#
- 1...Bh2
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 1...Bg3
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 1...c5
- 2.Sxc5#
- 2.Sb6#
- 2.Sf6#
- 2.Bh5#
- 2.Bg6#
- 2.Bf7#
- 1...Bxe5+!
- 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!
There are these versions: 87455
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(g);OGATEB::R(E),XQ(g)
- P(f);OGATEB::B(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(10)
- Vars
- P(f);::QAR(B)+B(C),DCHECK
- Refutation
- P(f);
- Try
- S(D);
- Threat
- DUALS(13)
- Vars
- P(e);::QAR(B)+B(C),DCHECK
- Refutation
- P(e);
- Try
- S(D);
- Threat
- DUALS(9)
- Vars
- P(f);S_CUTB(b)::QAR(B)+B(C)
- P(f);::QAR(B)+B(C),DCHECK
- Refutation
- P(e);CHECK,XS(D)
- Try
- S(D);
- Threat
- DUALS(8)
- Vars
- P(f);OGATE,XS(D)::QAR(B)+B(C),DCHECK,XP(f)
- P(e);::QAR(B)+B(C)
- P(f);S_CUTB(b)::QAR(B)+B(C)
- Refutation
- P(f);
- Try
- S(D);N_PINQ(g)
- Threat
- DUALS(8)
- Vars
- P(e);::QAR(B)+B(C),DCHECK
- P(f);::S(D)
- Refutation
- P(e);
- Try
- B(C);
- Threat
- DUALS(6)
- Vars
- P(f);OGATEB::B(C)
- Refutation
- B(b);CHECK,XB(C)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(E)::QAR(B),XQ(g)
- P(f);OGATEB::QAB(B)
- P(f);OGATEB::B(C)
- Q(g);OGATEB::R(E),XQ(g)
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