MESON Chess Problem Database
Problem Display
PID: 160256 (Kbk1N3/2Bp4/8/8/8/8/5Q2/8 w - - 0 1)
Lincoln, Robert A
British Chess Magazine, 2005
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Qf5#
- 1...d6
- 2.Qf5#
- 1...d5
- Tries
- 1.Qg3?
- 1...Bxc7
- 2.Qxc7#
- 1...d5
- 2.Qh3#
- 2.Qg4#
- 1...d6
- 2.Qh3#
- 2.Qg4#
- 1...Ba7!
- 1...Bxc7
- 1.Qc5?
- threat
- 2.Sd6#
- 1...Bxc7
- 2.Qxc7#
- 1...d6
- 2.Qf5#
- 1...d5!
- threat
- 1.Qb6?
- threat
- 2.Sd6#
- 2.Qa6#
- 2.Qb7#
- 2.Qxb8#
- 1...Bxc7
- 2.Qxc7#
- 1...d5
- 2.Qe6#
- 1...Ba7
- 2.Sd6#
- 2.Qa6#
- 2.Qb7#
- 1...d6!
- threat
- 1.Qf1?
- threat
- 2.Qa6#
- 1...d5
- 2.Qh3#
- 2.Qf5#
- 1...d6
- 2.Qh3#
- 2.Qf5#
- 1...Bxc7!
- threat
- 1.Qe2?
- threat
- 2.Qa6#
- 1...d5
- 2.Qg4#
- 2.Qe6#
- 1...d6
- 2.Qg4#
- 2.Qe6#
- 1...Bxc7!
- threat
- 1.Qg2?
- threat
- 2.Qb7#
- 1...d5
- 2.Qh3#
- 2.Qg4#
- 1...d6
- 2.Qh3#
- 2.Qg4#
- 1...Bxc7!
- threat
- 1.Qh2?
- 1...Bxc7
- 2.Qxc7#
- 1...d5
- 2.Qh3#
- 1...d6
- 2.Qh3#
- 1...Ba7!
- 1...Bxc7
- 1.Qf3?
- threat
- 2.Qb7#
- 1...d5
- 2.Qg4#
- 2.Qh3#
- 2.Qf5#
- 1...d6
- 2.Qg4#
- 2.Qh3#
- 2.Qf5#
- 1...Bxc7!
- threat
- 1.Qf4?
- 1...Bxc7
- 2.Qxc7#
- 1...d5
- 2.Qg4#
- 2.Qf5#
- 1...d6
- 2.Qg4#
- 2.Qf5#
- 1...Ba7!
- 1...Bxc7
- 1.Qf6?
- threat
- 2.Qd8#
- 2.Qa6#
- 1...d5
- 2.Qd8#
- 2.Qf5#
- 2.Qe6#
- 1...d6
- 2.Qd8#
- 2.Qf5#
- 2.Qe6#
- 1...Bxc7!
- threat
- 1.Qf8?
- 1...Bxc7
- 2.Sd6#
- 1...d5
- 2.Qf5#
- 1...d6
- 2.Qf5#
- 1...Ba7!
- 1...Bxc7
- 1.Qg3?
- Keys
- 1.Qc2!
- threat
- 2.Sd6#
- 1...Bxc7
- 2.Qxc7#
- 1...d5
- 2.Qf5#
- 1...d6
- 2.Qf5#
- threat
- 1.Qc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(a);OGATEB::QAB(A)
- Tries
- Try
- Q(A);
- Vars
- B(b);OGATE,XB(B)::QAR1(A),XB(b)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- S(D)
- Vars
- B(b);OGATE,P_SPINB(b),XB(B)::QAR1(A),XB(b)
- P(a);OGATEB::QAB(A)
- Refutation
- P(a);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- B(b);OGATE,XB(B)::QAR1(A),XB(b)
- P(a);OGATEB::QAB(A)
- Refutation
- P(a);
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- B(b);XB(B)
- Try
- Q(A);
- Threat
- QAB(A)
- Refutation
- B(b);XB(B)
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- B(b);XB(B)
- Try
- Q(A);
- Vars
- B(b);OGATE,XB(B)::QAR1(A),XB(b)
- P(a);OGATEB::QAB(A)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Refutation
- B(b);XB(B)
- Try
- Q(A);
- Vars
- B(b);OGATE,XB(B)::QAR1(A),XB(b)
- Refutation
- B(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- B(b);XB(B)
- Try
- Q(A);
- Vars
- B(b);SBLOCK,XB(B)::QAR(A)+S(D),DCHECK
- P(a);OGATEB::QAB(A)
- Refutation
- B(b);
- Try
- Actual
- Q(A);
- Threat
- S(D)
- Vars
- B(b);OGATE,P_SPINB(b),XB(B)::QAR1(A),XB(b)
- P(a);OGATEB::QAB(A)
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