MESON Chess Problem Database

Problem Display
PID: 147170 (1Bb2N2/1p2R3/1K3p2/5pp1/3kPP2/3P4/B1PP4/2n5 w - - 0 1)

Dimitrov, Nikolai

Canadian Chess Chat, 1983

1Bb2N2/1p2R3/1K3p2/5pp1/3kPP2/3P4/B1PP4/2n5

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Sxe6#
    • 1...Bd7
      • 2.Rxd7#
    • 1...Sxd3
      • 2.c3#
    • 1...fxe4
      • 2.Rxe4#
  • Tries
    • 1.Bd6?
      • threat
        • 2.Bc5#
      • 1...Sxd3
        • 2.c3#
      • 1...Sb3!
    • 1.Re6?
      • threat
        • 2.Rd6#
      • 1...Bxe6
        • 2.Sxe6#
      • 1...Sxd3
        • 2.c3#
      • 1...gxf4!
    • 1.Rc7?
      • threat
        • 2.Rc4#
      • 1...Be6
        • 2.Sxe6#
      • 1...fxe4!
  • Keys
    • 1.Re5!
      • threat
        • 2.Rd5#
      • 1...Sxd3
        • 2.c3#
      • 1...fxe5
        • 2.Bxe5#
      • 1...Be6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::S(J),XB(g)
    • B(g);N_GUARD::R(H),XB(g)
    • S(a);SBLOCK,XP(D)::P(B)
    • P(c);OGATE,XP(E)::R1(H),XP(c)
  • Tries
    • Try
      • B(I);
      • Threat
        • B(I)
      • Vars
        • S(a);SBLOCK,XP(D)::P(B)
      • Refutation
        • S(a);
    • Try
      • R(H);
      • Threat
        • R(H)
      • Vars
        • B(g);XR(H)::S(J),XB(g)
        • S(a);SBLOCK,XP(D)::P(B)
      • Refutation
        • P(d);XP(F)
    • Try
      • R(H);
      • Threat
        • R1(H)
      • Vars
        • B(g);N_GUARD::S(J),XB(g)
      • Refutation
        • P(c);XP(E)
  • Actual
    • R(H);
    • Threat
      • R1(H)
    • Vars
      • S(a);SBLOCK,XP(D)::P(B)
      • P(e);OGATE,XR(H)::B(I),XP(e)
      • B(g);N_GUARD::S(J),XB(g)
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