MESON Chess Problem Database

Problem Display
PID: 55379 (3R4/2Q5/4P3/2NN4/p2k3r/5p2/K1Rpr3/1Bb1q3 w - - 0 1)

Mansfield, Comins

The Problemist, 1974

3R4/2Q5/4P3/2NN4/p2k3r/5p2/K1Rpr3/1Bb1q3

#2

8 + 8

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sb4#
      • 2.Sf4#
      • 2.Sb6#
      • 2.Sf6#
      • 2.Se7#
  • Tries
    • 1.Sb3+?
      • 1...Kd3
        • 2.Rxc1#
        • 2.Rb2#
        • 2.Rxd2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Rc6#
      • 1...Ke4
        • 2.Rxc1#
        • 2.Rb2#
        • 2.Rxd2#
        • 2.Rc3#
        • 2.Rc4#
        • 2.Rc5#
        • 2.Rc6#
      • 1...axb3+!
    • 1.Sd3?
      • threat
        • 2.Rc4#
        • 2.Qc4#
      • 1...Kxd3
        • 2.Rc4#
      • 1...d1Q
        • 2.Qc4#
      • 1...d1S
        • 2.Qc4#
      • 1...d1B
        • 2.Qc4#
      • 1...d1R
        • 2.Qc4#
      • 1...Ke4!
    • 1.Sc3+?
      • 1...Kc4
        • 2.Sd3#
        • 2.Sa6#
      • 1...Ke3!
    • 1.Qf4+?
      • 1...Re4
        • 2.Se3#
        • 2.Sb4#
        • 2.Sb6#
        • 2.Sf6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Rxf4!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qc4#
      • 1...Kd3
        • 2.Rc4#
      • 1...Ke4
        • 2.Rxd2#
      • 1...Kxd5
        • 2.Sc5#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • P(f);CHECK,XS(D)
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(g);P-FLIGHT,XS(D)::B(A)+R(C)
        • P(c);P_PINR(C)::QAR1(G)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • S(E);CHECK
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • R(h);XQ(G)
  • Actual
    • S(D);
    • Threat
      • QAR1(G)
    • Vars
      • K(g);P-FLIGHT::B(A)+R(C)
      • K(g);P-FLIGHT::B(A)+R(C),XP(c)
      • K(g);P-FLIGHT,XS(E)::R(H)+S(D)
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