MESON Chess Problem Database

Problem Display
PID: 46102 (2N5/p1Pp1p2/p1rBbp2/R1pk1p2/2pNnK2/2P5/1Q6/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

5th Comm., Probleemblad, 2001

2N5/p1Pp1p2/p1rBbp2/R1pk1p2/2pNnK2/2P5/1Q6/8

#2

8 + 12

102 Probleemblad 2002
102 Probleemblad 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Se7#
    • 1...Sxd6
      • 2.Se7#
  • Tries
    • 1.Sxf5?
      • threat
        • 2.Se3#
        • 2.Sfe7#
        • 2.Sce7#
      • 1...Rxd6
        • 2.Sfe7#
        • 2.Sce7#
      • 1...Rxc7
        • 2.Sfe7#
        • 2.Sce7#
      • 1...Sxc3
        • 2.Sce7#
        • 2.Qd2#
      • 1...Rb6
        • 2.Sfe7#
        • 2.Sce7#
      • 1...Bxf5!
    • 1.Qg2?
      • 1...Rxd6
        • 2.Se7#
      • 1...Rb6
        • 2.Rxc5#
      • 1...Rxc7!
    • 1.Qb7?
      • 1...Sxd6
        • 2.Se7#
      • 1...Sd2
        • 2.Rxc5#
      • 1...Sf2
        • 2.Rxc5#
      • 1...Sg3
        • 2.Rxc5#
      • 1...Sg5
        • 2.Rxc5#
      • 1...Sxc3!
  • Keys
    • 1.Bxc5!
      • threat
        • 2.Se7#
      • 1...Rxc5
        • 2.Qb7#
      • 1...Sxc5
        • 2.Qg2#

This is a version of 29482

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(g);SBLOCK,XB(F)::S(H)
    • S(b);SBLOCK,XB(F)::S(H)
  • Tries
    • Try
      • S(C);XP(e)
      • Threat
        • DUALS(3)
      • Refutation
        • B(h);XS(C)
    • Try
      • Q(A);P_PINS(b)
      • Vars
        • R(g);SBLOCK,XB(F)::S(H)
        • R(g);N_GUARD::R1(E),XP(c)
      • Refutation
        • R(g);XP(G)
    • Try
      • Q(A);P_PINR(g)
      • Vars
        • S(b);SBLOCK,XB(F)::S(H)
        • S(b);N_GUARD::R1(E),XP(c)
      • Refutation
        • S(b);XP(B)
  • Actual
    • B(F);XP(c)
    • Threat
      • S(H)
    • Vars
      • R(g);OGATEB,P_SPINR(g),XB(F)::QAB(A)
      • S(b);OGATEB,P_SPINS(b),XB(F)::QAB(A)
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