MESON Chess Problem Database
Problem Display
PID: 155614 (k1KQ4/2RN4/4b3/P7/8/8/8/8 w - - 0 1)
Lincoln, Robert A
3rd HM., The Problemist Supplement, 2015/I
#2
5 + 2
| 145 | StrateGems | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Sb6#
- 1...Bb3
- 2.Sb6#
- 1...Bc4
- 2.Sb6#
- 1...Bd5
- 2.Sb6#
- 1...Bxd7+
- 2.Kxd7#
- 1...Bf7
- 2.Sb6#
- 1...Bg8
- 2.Sb6#
- 1...Ba2
- Tries
- 1.Qf6?
- 1...Ba2
- 2.Sb6#
- 2.Qa6#
- 2.Qc6#
- 1...Bb3
- 2.Sb6#
- 2.Qa6#
- 2.Qc6#
- 1...Bh3
- 2.Qf3#
- 2.Qa6#
- 2.Qc6#
- 1...Bc4
- 2.Sb6#
- 2.Qc6#
- 1...Bg4
- 2.Qa6#
- 2.Qc6#
- 1...Bd5
- 2.Sb6#
- 2.Qa6#
- 1...Bf5
- 2.Qa6#
- 2.Qc6#
- 1...Bf7
- 2.Sb6#
- 2.Qa6#
- 2.Qc6#
- 1...Bg8
- 2.Sb6#
- 2.Qa6#
- 2.Qc6#
- 1...Bxd7+!
- 1...Ba2
- 1.Qe8?
- 1...Bxd7+
- 2.Kxd7#
- 1...Ba2
- 2.Sb6#
- 1...Bb3
- 2.Sb6#
- 1...Bh3
- 2.Qe4#
- 1...Bc4
- 2.Sb6#
- 1...Bg4
- 2.Qe4#
- 1...Bd5
- 2.Sb6#
- 1...Bf7
- 2.Sb6#
- 1...Bg8
- 2.Sb6#
- 1...Bf5!
- 1...Bxd7+
- 1.Qf6?
- Keys
- 1.Qg8!
- 1...Bxd7+
- 2.Kxd7#
- 1...Bxg8
- 2.Sb6#
- 1...Bf5
- 2.Qd5#
- 1...Ba2
- 2.Sb6#
- 1...Bb3
- 2.Sb6#
- 1...Bh3
- 2.Qd5#
- 1...Bc4
- 2.Sb6#
- 1...Bg4
- 2.Qd5#
- 1...Bd5
- 2.Sb6#
- 2.Qxd5#
- 1...Bf7
- 2.Sb6#
- 1...Bxd7+
- 1.Qg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(a);N_PINS(C)::S(C)
- B(a);CHECK,XS(C)::QAR(E)+K(D),XB(a)
- Tries
- Try
- Q(E);
- Refutation
- B(a);CHECK,XS(C)
- Try
- Q(E);
- Vars
- B(a);CHECK,XS(C)::QAR(E)+K(D),XB(a)
- B(a);N_PINS(C)::S(C)
- B(a);OGATE::QAB(E)
- Refutation
- B(a);
- Try
- Actual
- Q(E);
- Vars
- B(a);CHECK,XS(C)::QAR(E)+K(D),XB(a)
- B(a);N_PINS(C),XQ(E)::S(C)
- B(a);OGATE::QAB(E)
- B(a);N_PINS(C)::S(C)
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