MESON Chess Problem Database

Problem Display
PID: 700 (8/4KN2/3pNp2/p3B1b1/Rq2k3/1Q5B/3P4/8 w - - 0 1)

Mansfield, Comins

1st Comm.=, British Chess Magazine, 1937/II

8/4KN2/3pNp2/p3B1b1/Rq2k3/1Q5B/3P4/8

#2

8 + 6

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Rxd4#
    • 1...dxe5+
      • 2.Sd6#
    • 1...d5+
      • 2.Sc5#
    • 1...fxe5+
      • 2.Sfxg5#
    • 1...f5+
      • 2.Sexg5#
  • Tries
    • 1.Qc2+?
      • 1...Kd5
        • 2.Sc7#
      • 1...Kf3!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qf3#
      • 1...dxe5+
        • 2.Sd6#
      • 1...d5+
        • 2.Sc5#
      • 1...fxe5+
        • 2.Sfxg5#
      • 1...f5+
        • 2.Sexg5#
      • 1...Be3
        • 2.d3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(a);OGATE::R1(D),XQ(a)
    • P(e);CHECK,SBLOCK,XB(E)::S(H)
    • P(e);CHECK,N_GUARD::S(F)
    • P(f);CHECK,N_GUARD,SBLOCK,XB(E)::S(H),XB(d)
    • P(f);CHECK,N_GUARD::S(F),XB(d)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_SPINQ(a),S_FLIGHT::S(F)
      • Refutation
        • K(b);N_SPINQ(a),S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(B)
    • Vars
      • P(e);CHECK,SBLOCK,XB(E)::S(H)
      • P(e);CHECK,N_GUARD::S(F)
      • P(f);CHECK,N_GUARD,SBLOCK,XB(E)::S(H),XB(d)
      • P(f);CHECK,N_GUARD::S(F),XB(d)
      • B(d);SBLOCK::P(A)
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