MESON Chess Problem Database

Problem Display
PID: 6136 (6K1/8/7B/1pN4B/6Qp/4NP2/4kqnR/R3bbn1 w - - 0 1)

Mansfield, Comins

L'Echiquier, 1927

6K1/8/7B/1pN4B/6Qp/4NP2/4kqnR/R3bbn1

#2

9 + 8

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kd2
        • 2.Sxf1#
        • 2.Sb3#
        • 2.Se4#
        • 2.Rd1#
        • 2.Ra2#
        • 2.Qc2#
      • 1...bxc4!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qd3#
      • 1...Qg3+
        • 2.Sg4#
      • 1...Kd2
        • 2.Qc2#
      • 1...Qxe3
        • 2.Qxe3#
      • 1...Qxf3
        • 2.Sd1#
      • 1...Sf4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • P(h);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • Q(e);CHECK,N_GUARD,P_SPINS(f)::QAR(E)+S(C)
      • K(d);P-FLIGHT::QAR1(E)
      • Q(e);OGATE,P_SPINQ(e),P_SPINS(f),XS(C)::QAR1(E),XQ(e)
      • Q(e);N_GUARD,P_SPINQ(e),P_SPINS(f),XP(D)::QAR(E)+S(C)
      • S(f);N_GUARD,P_SPINQ(e)::QAR(E)+S(C)
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