MESON Chess Problem Database

Problem Display
PID: 18200 (BB6/1N6/1Q2p1K1/1p6/1r2kN2/q2p1p1R/bpnp4/8 w - - 0 1)

Mansfield, Comins

2nd HM., Chess, 1954

BB6/1N6/1Q2p1K1/1p6/1r2kN2/q2p1p1R/bpnp4/8

#2

7 + 11

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rb3
      • 2.Sa5#
    • 1...Bb1
      • 2.Sa5#
  • Tries
    • 1.Sd6+?
      • 1...Ke5
        • 2.Sc4#
        • 2.Se4#
        • 2.Sxb5#
        • 2.Sf5#
        • 2.Sf7#
        • 2.Sc8#
        • 2.Se8#
      • 1...Kxf4!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Sa5#
      • 1...Bxd5
        • 2.Rh4#
      • 1...exd5
        • 2.Rh4#
      • 1...Qc3
        • 2.Sxc3#
      • 1...Rd4
        • 2.Qxe6#
      • 1...Sd4
        • 2.Sc5#
      • 1...e5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(h);S_CUTB(a)::B(F)+S(E)
    • B(a);N_GUARD::B(F)+S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(i);P-FLIGHT,XS(B)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(i);S_FLIGHT,XS(B)::B(F)+S(E)
      • B(a);SBLOCK,XS(B)::R(A)
      • P(k);SBLOCK,XS(B)::R(A)
      • Q(e);N_GUARD::S(B),XQ(e)
      • R(h);SBLOCK::QAR2(C),XP(k)
      • S(c);SBLOCK::S(E)
      • P(k);SBLOCK::S(E)
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