MESON Chess Problem Database
Problem Display
PID: 23156 (8/8/5R2/8/2K5/4kp2/1B2p3/1Q6 w - - 0 1)
Lincoln, Robert A
Fun with Chess Miniatures, 1996
#2
4 + 3
| 145 | StrateGems | 2007 |
| 145 | StrateGems | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Kd2
- 2.Qc1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kd2
- Tries
- 1.Kc3?
- 1...e1Q+
- 2.Qxe1#
- 1...e1B+
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kf2!
- 1...e1Q+
- 1.Ba3?
- 1...Kd2
- 2.Qc1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kf2!
- 1...Kd2
- 1.Bc3?
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Qd3#
- 1...Kf2!
- 1...e1Q
- 1.Be5?
- 1...Kd2
- 2.Bf4#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Qd3#
- 1...Kf2!
- 1...Kd2
- 1.Rxf3+?
- 1...Kd2
- 2.Bc3#
- 2.Rd3#
- 2.Qc1#
- 1...Kxf3!
- 1...Kd2
- 1.Rf5?
- 1...Kd2
- 2.Qc1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kf2!
- 1...Kd2
- 1.Rf7?
- 1...Kd2
- 2.Qc1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kf2!
- 1...Kd2
- 1.Rf8?
- 1...Kd2
- 2.Qc1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 2.Qd3#
- 1...Kf2!
- 1...Kd2
- 1.Qc1+?
- 1...Ke4
- 2.Rf4#
- 2.Qf4#
- 1...Kf2!
- 1...Ke4
- 1.Qg1+?
- 1...Kd2
- 2.Qc1#
- 1...Ke4
- 2.Qd4#
- 1...f2!
- 1...Kd2
- 1.Kc3?
- Keys
- 1.Qh1!
- 1...Kd2
- 2.Qc1#
- 1...Kf2
- 2.Rxf3#
- 1...Ke4
- 2.Qxf3#
- 1...e1Q
- 2.Qxe1#
- 1...e1S
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...f2
- 2.Bc1#
- 1...Kd2
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- P(a);CHECK,OGATEB::QAR2(A),XQ(a)
- P(a);CHECK,OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- B(B);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- B(B);
- Vars
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(c);::QAR1(A)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- B(B);
- Vars
- K(b);S_FLIGHT::B(B)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(c);::QAR1(A)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- R(D);CHECK,XP(c)
- Refutation
- K(b);P-FLIGHT,XR(D)
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(A)
- K(b);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- P(c);P_SPINP(c)
- Try
- Actual
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB1(A)
- K(b);P_SPINP(c),S_FLIGHT::R1(D),XP(c)
- K(b);P-FLIGHT,P_SPINP(c)::QAB1(A),XP(c)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(c);::B(B)
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