MESON Chess Problem Database

Problem Display
PID: 47578 (4q3/3R3Q/2p2B2/5P1B/4Nk2/2N3pp/3P1bn1/5R1K w - - 0 1)

Shanshin, Valery Yurevich

Slesarenko, Anatoly Vasilevich

1st Prize, Kisis JT, 1989

4q3/3R3Q/2p2B2/5P1B/4Nk2/2N3pp/3P1bn1/5R1K

#2

10 + 7

4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Bg5#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Sxh3#
      • 1...Qxh5
        • 2.Rd4#
      • 1...h2
        • 2.Sh3#
      • 1...Qg6!
    • 1.Sd6?
      • threat
        • 2.Qh6#
      • 1...Qg6
        • 2.Se2#
      • 1...Qf8
        • 2.Se2#
      • 1...Qg8
        • 2.Se2#
      • 1...Qh8
        • 2.Se2#
      • 1...Qxh5!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Se2#
      • 1...Qxh5
        • 2.Sg5#
      • 1...Qg6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(g);SBLOCK::B(H)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E),XP(d)
      • Vars
        • Q(g);N_GUARD,XB(G)::R(I)
        • P(d);::S(E)
      • Refutation
        • Q(g);
    • Try
      • S(E);
      • Threat
        • QAB(J)
      • Vars
        • Q(g);N_GUARD::S(D)
      • Refutation
        • Q(g);XB(G)
  • Actual
    • R(I);
    • Threat
      • S(D)
    • Vars
      • Q(g);N_GUARD,XB(G)::R(I)+S(E)
      • Q(g);N_GUARD::R(I)+S(E)
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