MESON Chess Problem Database

Problem Display
PID: 6040 (1b2b3/p6n/BPQ4r/1PN2N1p/2kP1R2/P3p3/2K5/5n2 w - - 0 1)

Mansfield, Comins

2nd Place, Magyar Sakkvilag, 1926

1b2b3/p6n/BPQ4r/1PN2N1p/2kP1R2/P3p3/2K5/5n2

#2

10 + 9

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.d5#
    • 1...Re6
      • 2.Qxe6#
    • 1...Be5
      • 2.dxe5#
    • 1...Bg6
      • 2.Sb3#
      • 2.Sd3#
      • 2.Sa4#
      • 2.Se4#
      • 2.Se6#
      • 2.Sb7#
      • 2.Sd7#
      • 2.Qe6#
    • 1...Bf7
      • 2.Se6#
    • 1...Sd2
      • 2.Sxe3#
    • 1...Sh2
      • 2.Sxe3#
    • 1...Sg3
      • 2.Sxe3#
    • 1...Sf6
      • 2.Sd7#
  • Tries
    • 1.Sd6+?
      • 1...Rxd6
        • 2.d5#
      • 1...Bxd6!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qd5#
      • 1...Bg6+
        • 2.Sd3#
      • 1...Rxc6
        • 2.bxc6#
      • 1...Bxc6
        • 2.bxc6#
      • 1...Rd6
        • 2.d5#
      • 1...Bf7
        • 2.Se6#
      • 1...Sf6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(e);S_CUTB(h)::R(D)+P(C)
    • R(e);N_GUARD::QAB(J),XR(e)
    • B(h);OGATE::R(D)+P(C),XB(h)
    • B(i);N_GUARD::QAR(J)+S(F)
    • S(a);N_GUARD::S(G),XP(b)
    • S(g);S_CUTR(e)::QAR(J)+S(F)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • R(e);XS(G)::R(D)+P(C)
      • Refutation
        • B(h);XS(G)
  • Actual
    • S(G);
    • Threat
      • QAB1(J)
    • Vars
      • B(i);CHECK,N_GUARD,S_CUTR(e)::QAR(J)+S(F)
      • R(e);OGATE,XQ(J)::B(H)+P(E),XR(e)
      • B(i);OGATE,XQ(J)::B(H)+P(E),XB(i)
      • R(e);S_CUTB(h)::R(D)+P(C)
      • B(i);N_GUARD::QAR(J)+S(F)
      • S(g);S_CUTR(e)::QAR(J)+S(F)
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