MESON Chess Problem Database

Problem Display
PID: 10082 (1K6/6B1/pQ1NP2p/Rp1kr2r/8/1P2pR2/4p2b/7B w - - 0 1)

Mansfield, Comins

2nd HM., American Chess Bulletin, 1962

1K6/6B1/pQ1NP2p/Rp1kr2r/8/1P2pR2/4p2b/7B

#2

9 + 9

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Rf5#
  • Keys
    • 1.Sxb5!
      • threat
        • 2.Sc3#
        • 2.Rf5#
      • 1...Re4+
        • 2.Sc7#
      • 1...Ref5+
        • 2.Rf4#
      • 1...Reg5+
        • 2.Rg3#
      • 1...Rxe6+
        • 2.Sd6#
      • 1...Ke4
        • 2.Qd4#
      • 1...axb5
        • 2.Rf5#
      • 1...e1Q
        • 2.Sc3#
      • 1...e1S
        • 2.Sc3#
      • 1...e1R
        • 2.Sc3#
      • 1...Rh3
        • 2.Sc3#
      • 1...Rh4
        • 2.Sc3#
      • 1...Rhf5
        • 2.Sc3#
        • 2.Rxf5#
      • 1...Rhg5
        • 2.Sc3#
      • 1...Bg1
        • 2.Sc3#
      • 1...Bg3
        • 2.Sc3#
      • 1...Bf4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • R(f);P_PINS(F),SBLOCK,XP(G)::B(A)+R(C),DCHECK
  • Actual
    • S(F);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • R(f);CHECK,SBLOCK::R(D)+S(F),DCHECK
      • R(f);CHECK,N_GUARD::B(A)+R(C)
      • R(f);CHECK,SBLOCK,XP(G)::R(D)+S(F)
      • K(e);S_FLIGHT::QAR1(E)
      • P(h);P_SPINP(h),XS(F)::B(A)+R(C)
      • P(a);::R(D)+S(F),DCHECK
      • R(g);::R(D)+S(F),DCHECK
      • B(b);::R(D)+S(F),DCHECK
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