MESON Chess Problem Database

Problem Display
PID: 18008 (3N4/3p4/3pbP2/2nk1q1R/1P1BN3/1P6/1Q2RnB1/1K6 w - - 0 1)

Mansfield, Comins

3rd HM., The Problemist, 1952

3N4/3p4/3pbP2/2nk1q1R/1P1BN3/1P6/1Q2RnB1/1K6

#2

11 + 7

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.Rxf5#
    • 1...Bg8
      • 2.Rxf5#
    • 1...Sfd3
      • 2.Sxc5#
    • 1...Scd3
      • 2.Sxf2#
  • Keys
    • 1.Rd2!
      • 1...Qxh5
        • 2.Sc3#
      • 1...Sfxe4
        • 2.Bxc5#
      • 1...Sxb3
        • 2.Qxb3#
      • 1...Scxe4
        • 2.Bxf2#
      • 1...Qe5
        • 2.Sc3#
      • 1...Qg5
        • 2.Sc3#
      • 1...Bf7
        • 2.Rxf5#
      • 1...Bg8
        • 2.Rxf5#
      • 1...Sd1
        • 2.Bxc5#
      • 1...Sh1
        • 2.Bxc5#
      • 1...Sfd3
        • 2.Sxc5#
      • 1...Sh3
        • 2.Bxc5#
      • 1...Sg4
        • 2.Bxc5#
      • 1...Scd3
        • 2.Sxf2#
      • 1...Sa4
        • 2.Bxf2#
      • 1...Sa6
        • 2.Bxf2#
      • 1...Sb7
        • 2.Bxf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::R(I),XQ(d)
    • S(a);N_PINS(H)::B(D)+S(H),XS(b)
    • S(b);N_PINS(H)::B(D)+S(H),XS(a)
  • Actual
    • R(C);
    • Vars
      • Q(d);N_PINS(H),N_SPINQ(d),XR(I)::B(D)+S(H),DCHECK
      • S(a);N_GUARD,P_SPINS(a),XS(H)::R(C)+B(G),XS(b)
      • S(b);OGATE,XP(E)::QAB(B),XS(b)
      • S(b);N_GUARD,P_SPINS(b),XS(H)::R(C)+B(G),XS(a)
      • Q(d);N_PINS(H)::B(D)+S(H),DCHECK
      • B(f);N_GUARD::R(I),XQ(d)
      • S(a);N_GUARD::R(C)+B(G),XS(b)
      • S(a);N_PINS(H)::B(D)+S(H),XS(b)
      • S(b);N_PINS(H)::B(D)+S(H),XS(a)
      • S(b);N_GUARD::R(C)+B(G),XS(a)
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Developed and maintained by Brian Stephenson.
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