MESON Chess Problem Database

Problem Display
PID: 182417 (1R6/p2p4/1r3P2/3PB1p1/4k1N1/2P1N1K1/8/5B2 w - - 0 1)

Ivanov, Dorde

HM., Dnevnik, 1999

1R6/p2p4/1r3P2/3PB1p1/4k1N1/2P1N1K1/8/5B2

#2

9 + 5

5085 The Macedonian Problemist 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Rxb4#
    • 1...Ra6
      • 2.Rb4#
    • 1...Rd6
      • 2.Rb4#
    • 1...Re6
      • 2.Rb4#
    • 1...Rxf6
      • 2.Rb4#
  • Tries
    • 1.Bf4?
      • threat
        • 2.Sf2#
      • 1...Rb2
        • 2.Re8#
      • 1...gxf4+!
    • 1.Bd6?
      • threat
        • 2.Re8#
      • 1...Rxd6
        • 2.Rb4#
      • 1...Rxb8!
    • 1.Re8?
      • threat
        • 2.Bd6#
      • 1...Rxf6
        • 2.Bxf6#
      • 1...Rd6
        • 2.Bxd6#
      • 1...Rb8
        • 2.Bxb8#
      • 1...d6
        • 2.Bd4#
        • 2.Bf4#
        • 2.Bxd6#
      • 1...Re6!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Sf2#
      • 1...Rxf6
        • 2.Sxf6#
      • 1...Rb2
        • 2.Re8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(c);OGATE::R(I),XR(c)
    • R(c);OGATE::R(I)
    • R(c);OGATE,XP(H)::R(I)
  • Tries
    • Try
      • B(G);
      • Threat
        • S(E)
      • Vars
        • R(c);N_GUARD::R(I)
      • Refutation
        • P(b);CHECK,XB(G)
    • Try
      • B(G);
      • Threat
        • R(I)
      • Vars
        • R(c);OGATE,XB(G)::R(I)
      • Refutation
        • R(c);XR(I)
    • Try
      • R(I);
      • Threat
        • R(I)+B(G)
      • Vars
        • R(c);OGATE,XP(H)::R(I)+B(G),XR(c)
        • R(c);::R(I)+B(G),XR(c)
        • R(c);N_GUARD::R(I)+B(G),XR(c)
      • Refutation
        • R(c);
  • Actual
    • B(G);
    • Threat
      • S(E)
    • Vars
      • R(c);XP(H)::S(E),XR(c)
      • R(c);N_GUARD::R(I)
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