MESON Chess Problem Database

Problem Display
PID: 55695 (8/2R3r1/K2pP3/N2kNBQn/3p4/8/4R3/6rb w - - 0 1)

Mansfield, Comins

Schakend Nederland, 1977

8/2R3r1/K2pP3/N2kNBQn/3p4/8/4R3/6rb

#2

8 + 7

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • threat
        • 2.Sb4#
      • 1...Rxc7
        • 2.Bg4#
      • 1...Rb1
        • 2.Bg6#
      • 1...Be4!
    • 1.Be4+?
      • 1...Kxe6
        • 2.Qf5#
      • 1...Bxe4!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Bc4#
      • 1...Kxe6
        • 2.Sf3#
      • 1...Rxc7
        • 2.Sg4#
      • 1...dxe5
        • 2.Qxe5#
      • 1...Rc1
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • R(g);N_GUARD,XR(H)::QAR(E)+B(D)
        • R(a);N_GUARD::QAR(E)+B(D)
      • Refutation
        • B(b);
    • Try
      • B(D);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(G)::QAB1(E)
      • Refutation
        • B(b);XB(D)
  • Actual
    • B(D);
    • Threat
      • B(D)
    • Vars
      • K(d);S_FLIGHT,XP(G)::R(A)+S(C)
      • R(g);N_GUARD,XR(H)::QAR(E)+S(C)
      • P(f);OGATE,P_SPINP(f),XS(C)::QAR1(E),XP(f)
      • R(a);N_GUARD::QAR(E)+S(C)
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