MESON Chess Problem Database

Problem Display
PID: 666 (8/2Q5/2n3p1/p1k2bR1/P7/1P1pN3/1pPRN3/bK2B3 w - - 0 1)

Mansfield, Comins

British Chess Magazine, 1924

8/2Q5/2n3p1/p1k2bR1/P7/1P1pN3/1pPRN3/bK2B3

#2

10 + 8

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qd6#
    • 1...dxc2+
      • 2.Rxc2#
    • 1...dxe2
      • 2.Rd5#
  • Tries
    • 1.Bg3?
      • threat
        • 2.Bd6#
      • 1...Kb4
        • 2.Bd6#
        • 2.Qd6#
      • 1...dxc2+!
    • 1.Rxf5+?
      • 1...Kb4
        • 2.Qd6#
      • 1...gxf5!
    • 1.Qxc6+?
      • 1...Kb4
        • 2.Qd6#
      • 1...Kxc6!
  • Keys
    • 1.Bf2!
      • 1...dxc2+
        • 2.Sxc2#
      • 1...Kb4
        • 2.Qd6#
      • 1...dxe2
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINB(f),N_SPINS(g),S_FLIGHT::QAB(J)
    • P(c);CHECK,OGATE,XP(C)::R(D),XP(c)
    • P(c);OGATE,P_PINP(C),XS(E)::R1(D)
  • Tries
    • Try
      • B(B);
      • Threat
        • B(B)
      • Refutation
        • P(c);CHECK,XP(C)
    • Try
      • R(I);CHECK,XB(f)
      • Vars
        • K(e);N_SPINS(g),S_FLIGHT::QAB(J)
      • Refutation
        • P(h);XR(I)
    • Try
      • Q(J);CHECK,XS(g)
      • Vars
        • K(e);N_SPINB(f),S_FLIGHT::QAB(J)
      • Refutation
        • K(e);N_SPINB(f),P-FLIGHT,XQ(J)
  • Actual
    • B(B);
    • Vars
      • P(c);CHECK,XP(C)::B(B)+S(G),XP(c)
      • K(e);N_SPINB(f),N_SPINS(g),S_FLIGHT::QAB(J)
      • P(c);P_PINP(C),XS(E)::B(B)+S(G)
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