MESON Chess Problem Database

Problem Display
PID: 11541 (8/8/8/2q5/Q7/2k1N3/8/K2R4 w - - 0 1)

Mott-Smith, Geoffrey

The Chess Review, 1939

8/8/8/2q5/Q7/2k1N3/8/K2R4

#2

4 + 2

5064 100 Years of the American Two-move Chess Problem 1962
5063 Spectacular Chess Problems 1965
2012 Miniature Chess Problems from Many Countries 1981
3310 2345 Chess Problems 1997
4883 Still More Fun with Chess Miniatures 2002
3713 Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3+
      • 2.Qxa3#
    • 1...Qb4
      • 2.Qc2#
    • 1...Qd4
      • 2.Qa3#
    • 1...Qb6
      • 2.Sd5#
      • 2.Qc4#
    • 1...Qd6
      • 2.Qc4#
    • 1...Qa7
      • 2.Sd5#
    • 1...Qe7
      • 2.Sd5#
      • 2.Qc4#
    • 1...Qf8
      • 2.Sd5#
      • 2.Qc4#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qd5
      • 2.Sxd5#
    • 1...Qe5
      • 2.Qa3#
      • 2.Qc4#
    • 1...Qf5
      • 2.Qa3#
      • 2.Qc4#
    • 1...Qg5
      • 2.Qa3#
      • 2.Qc4#
    • 1...Qh5
      • 2.Qa3#
      • 2.Qc4#
    • 1...Qc6
      • 2.Qa3#
    • 1...Qc7
      • 2.Sd5#
      • 2.Qa3#
    • 1...Qc8
      • 2.Sd5#
      • 2.Qa3#
  • Keys
    • 1.Ka2!
      • threat
        • 2.Qb3#
      • 1...Qa3+
        • 2.Qxa3#
      • 1...Qc4+
        • 2.Qxc4#
      • 1...Qd5+
        • 2.Sxd5#
      • 1...Qb4
        • 2.Qc2#
      • 1...Qb6
        • 2.Sd5#
        • 2.Qc4#
      • 1...Qa7
        • 2.Sd5#
      • 1...Qa5
        • 2.Qxa5#
      • 1...Qb5
        • 2.Qd4#

Anticipated by 125402(0000)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • Q(b);CHECK,N_GUARD::QAR2(D),XQ(b)
    • Q(b);SBLOCK::QAR1(D)
    • Q(b);N_GUARD::QAR2(D)
    • Q(b);N_GUARD::QAR1(D)
    • Q(b);N_GUARD,P_PINQ(D)::S(C)
    • Q(b);N_GUARD::QAR1(D),XQ(b)
    • Q(b);N_GUARD::S(C),XQ(b)
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • QAR1(D)
    • Vars
      • Q(b);CHECK,N_GUARD::QAR2(D),XQ(b)
      • Q(b);CHECK,N_GUARD::QAR1(D),XQ(b)
      • Q(b);CHECK,N_GUARD::S(C),XQ(b)
      • Q(b);SBLOCK::QAR1(D)
      • Q(b);N_GUARD,P_PINQ(D)::S(C)
      • Q(b);N_GUARD,P_PINQ(D)::QAB(D),XQ(b)
      • Q(b);N_GUARD::QAB1(D)
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