MESON Chess Problem Database

Problem Display
PID: 68327 (4n2B/3PQ1nb/8/1p2P3/2PpkNBR/2p5/2R3PP/1K1N4 w - - 0 1)

Slesarenko, Anatoly Vasilevich

2nd Prize, Vizvolenniu Odessi-60 JT, 2004

4n2B/3PQ1nb/8/1p2P3/2PpkNBR/2p5/2R3PP/1K1N4

#2

13 + 7

56 The Problemist 2006
56 The Problemist 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Bh3#
    • 1...Bf5
      • 2.Bf3#
    • 1...Sf5
      • 2.Bf3#
  • Tries
    • 1.Sf2+?
      • 1...Ke3
        • 2.Sd5#
      • 1...Kxf4!
    • 1.Sd5?
      • threat
        • 2.Sf2#
      • 1...Kd3
        • 2.Be2#
      • 1...d3
        • 2.Bh3#
      • 1...bxc4!
    • 1.Bh3?
      • threat
        • 2.Re2#
      • 1...d3
        • 2.Se2#
        • 2.Sd5#
        • 2.Sh5#
        • 2.Sg6#
      • 1...Sf5!
    • 1.Qg5?
      • threat
        • 2.Bf3#
        • 2.Re2#
      • 1...Bf5
        • 2.Re2#
      • 1...Sf5
        • 2.Bf3#
      • 1...d3!
  • Keys
    • 1.Be6!
      • threat
        • 2.Re2#
      • 1...Kxe5
        • 2.Bh3#
      • 1...Sxe6
        • 2.Qxh7#
      • 1...d3
        • 2.Sg6#
      • 1...Sf5
        • 2.Bd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(c);OGATEB,P-FLIGHT,P_PINR(C),XS(G)::R(I)+B(H)
    • B(f);SBLOCK::B(H)
    • S(e);SBLOCK::B(H)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(c);P-FLIGHT,P_PINR(C)::S(G)
      • Refutation
        • K(c);P-FLIGHT,P_PINR(C),XS(G)
    • Try
      • S(G);
      • Threat
        • S(B)
      • Vars
        • K(c);S_FLIGHT::B(H)
        • P(b);SBLOCK::R(I)+B(H)
      • Refutation
        • P(d);XP(F)
    • Try
      • B(H);
      • Threat
        • R(C)
      • Refutation
        • S(e);
    • Try
      • Q(L);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::R(C)
        • S(e);::B(H)
      • Refutation
        • P(b);
  • Actual
    • B(H);
    • Threat
      • R(C)
    • Vars
      • K(c);OGATEB,P-FLIGHT,P_PINR(C),P_SPINS(e),XP(J)::QAR(L)+B(H)
      • S(e);OGATE,XB(H)::QAB(L),XB(f)
      • P(b);SBLOCK::R(I)+S(G)
      • S(e);SBLOCK::B(H)
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Developed and maintained by Brian Stephenson.
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