MESON Chess Problem Database

Problem Display
PID: 55720 (1r5B/3p4/1p2p1p1/1K2N1rb/R1PkqRN1/1p1ppp2/1P5Q/2b5 w - - 0 1)

Mansfield, Comins

Skakbladet, 1977

1r5B/3p4/1p2p1p1/1K2N1rb/R1PkqRN1/1p1ppp2/1P5Q/2b5

#2

9 + 14

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf4
      • 2.Qxf4#
    • 1...Rxg4
      • 2.Sxf3#
      • 2.Sc6#
    • 1...Rxe5+
      • 2.Bxe5#
    • 1...Bxb2
      • 2.Qxb2#
    • 1...d5
      • 2.Sxf3#
      • 2.Sc6#
      • 2.c5#
  • Keys
    • 1.Sf6!
      • threat
        • 2.Rxe4#
      • 1...Rxe5+
        • 2.c5#
      • 1...Kxe5
        • 2.Se8#
      • 1...Qxf4
        • 2.Qxf4#
      • 1...Bxb2
        • 2.Qxb2#
      • 1...Rg4
        • 2.Sxf3#
      • 1...d5
        • 2.Sc6#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(g);N_SPINQ(g),OGATE,XR(E)::QAR2(B),XQ(g)
    • R(h);CHECK,OGATE,P_SPINR(h),XS(H)::B(I),XR(h)
    • B(a);OGATE,XP(A)::QAB(B),XB(a)
  • Actual
    • S(F);
    • Threat
      • R1(E),XQ(g)
    • Vars
      • R(h);CHECK,SBLOCK,XS(H)::R(C)+P(D)
      • K(f);N_SPINQ(g),S_FLIGHT,XS(H)::B(I)+S(F)
      • Q(g);N_SPINQ(g),OGATE,XR(E)::QAR2(B),XQ(g)
      • B(a);OGATE,XP(A)::QAB(B),XB(a)
      • R(h);N_PINS(H)::S(H),XP(e)
      • P(m);N_PINS(H)::S(H)
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Developed and maintained by Brian Stephenson.
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