MESON Chess Problem Database
Problem Display
PID: 17374 (b2qN3/Q7/2k1PP2/4P3/6K1/pNB2PP1/B7/1R6 w - - 0 1)
Macleod, Norman Alasdair
Glasgow Herald, 1946
#2
12 + 4
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd4+
- 2.Sxd4#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Qxe8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Kb5
- Tries
- 1.Kh4?
- 1...Qd4+
- 2.Sxd4#
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qxe8
- 2.Sd4#
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Qxf6+!
- 1...Qd4+
- 1.Kh5?
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd4
- 2.Sxd4#
- 2.Sa5#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Qxe8+!
- 1...Kb5
- 1.Sg7?
- 1...Qd4+
- 2.Sxd4#
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 2.Qc5#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Qe8
- 2.Sd4#
- 2.Sa5#
- 1...Qf8
- 2.Sd4#
- 2.Sa5#
- 1...Qg8
- 2.Sd4#
- 2.Sa5#
- 1...Qh8
- 2.Sd4#
- 2.Sa5#
- 1...Qd5!
- 1...Qd4+
- 1.Ba1?
- 1...Qd4+
- 2.Sxd4#
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Qxe8
- 2.Sd4#
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Qd2!
- 1...Qd4+
- 1.Rb2?
- 1...Qd4+
- 2.Sxd4#
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Qxe8
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...axb2!
- 1...Qd4+
- 1.Qa6+?
- 1...Kd5
- 2.Rd1#
- 1...Qb6!
- 1...Kd5
- 1.Qc7+?
- 1...Kb5
- 2.Sc5#
- 1...Kd5
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qxc7!
- 1...Kb5
- 1.Kh4?
- Keys
- 1.Kh3!
- 1...Kb5
- 2.Sd4#
- 1...Kd5
- 2.Sa5#
- 1...Qxf6
- 2.Sd4#
- 2.Sa5#
- 1...Qxe8
- 2.Sd4#
- 2.Sa5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 1...Qb6
- 2.Qd7#
- 1...Qc7
- 2.Sd4#
- 1...Qe7
- 2.Sd4#
- 2.Sa5#
- 1...Qd1
- 2.Sa5#
- 1...Qd2
- 2.Sa5#
- 1...Qd3
- 2.Sa5#
- 1...Qd4
- 2.Sxd4#
- 2.Sa5#
- 1...Qd5
- 2.Qa6#
- 1...Qd6
- 2.Sa5#
- 1...Qd7
- 2.Sa5#
- 1...Qb8
- 2.Sd4#
- 2.Sa5#
- 1...Qc8
- 2.Sd4#
- 2.Sa5#
- 1...Bb7
- 2.Qc5#
- 1...Kb5
- 1.Kh3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,P_PINP(E)::S(C)
- Q(d);CHECK,N_GUARD::S(C),XQ(d)
- Q(d);N_GUARD,SBLOCK::QAR2(K)
- Q(d);N_GUARD,P_PINP(I)::S(C)
- B(c);SBLOCK::QAR1(K)
- Tries
- Try
- K(G);P-FLIGHT,P_SPINP(J)
- Vars
- Q(d);CHECK,N_GUARD,N_PINP(J)::S(C),XQ(d)
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,N_PINP(J),SBLOCK::QAB1(K)
- Q(d);N_GUARD,N_PINP(J)::S(C)
- Q(d);N_GUARD,N_PINP(J),SBLOCK::QAR2(K)
- B(c);SBLOCK::QAR1(K)
- Refutation
- Q(d);CHECK,XP(J)
- Try
- K(G);S_FLIGHT
- Vars
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,P_PINP(E)::S(C)
- Q(d);N_GUARD,P_PINP(H),SBLOCK::QAR2(K)
- B(c);SBLOCK::QAR1(K)
- Refutation
- Q(d);CHECK,XS(L)
- Try
- S(L);
- Vars
- Q(d);CHECK,N_GUARD::S(C),XQ(d)
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- B(c);SBLOCK::QAR1(K)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,P_PINP(E)::S(C)
- Q(d);N_GUARD,P_PINP(I)::S(C)
- Refutation
- Q(d);
- Try
- B(D);
- Vars
- Q(d);CHECK,N_GUARD::S(C),XQ(d)
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,P_PINP(E)::S(C)
- Q(d);N_GUARD,SBLOCK::QAR2(K)
- Q(d);N_GUARD,P_PINP(I)::S(C)
- B(c);SBLOCK::QAR1(K)
- Refutation
- Q(d);
- Try
- R(A);
- Vars
- Q(d);CHECK,N_GUARD::S(C),XQ(d)
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,P_PINP(E)::S(C)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,SBLOCK::QAR2(K)
- Q(d);N_GUARD,P_PINP(I)::S(C)
- B(c);SBLOCK::QAR1(K)
- Refutation
- P(a);XR(A)
- Try
- Q(K);CHECK
- Vars
- K(b);S_FLIGHT::R(A)
- Refutation
- Q(d);P_SPINQ(d)
- Try
- Q(K);CHECK
- Vars
- K(b);S_FLIGHT::R(A)+S(C)
- Refutation
- Q(d);XQ(K)
- Try
- Actual
- K(G);S_FLIGHT
- Vars
- K(b);S_FLIGHT::R(A)+S(C),DCHECK
- K(b);S_FLIGHT::B(B)+S(C)
- Q(d);N_GUARD,SBLOCK::QAB1(K)
- Q(d);N_GUARD::S(C)
- Q(d);N_GUARD,SBLOCK::QAR2(K)
- Q(d);N_GUARD,P_PINP(I)::S(C)
- B(c);SBLOCK::QAR1(K)
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