MESON Chess Problem Database

Problem Display
PID: 76925 (2K3N1/3N1RBR/6b1/5PkP/1Q4pb/7n/5p2/8 w - - 0 1)

Svyatov, Gennadi

Vladimirov, Viacheslav Semenovich

Sinfonie Scacchistiche, 1974

2K3N1/3N1RBR/6b1/5PkP/1Q4pb/7n/5p2/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf5
      • 2.Bf6#
    • 1...Bxh5
      • 2.Bh6#
    • 1...Sg1
      • 2.Qd2#
    • 1...Sf4
      • 2.Qe7#
  • Tries
    • 1.Se5?
      • threat
        • 2.Qxg4#
      • 1...Bxh5
        • 2.Bh6#
      • 1...Sf4
        • 2.Qe7#
      • 1...g3
        • 2.Sf3#
        • 2.Qg4#
      • 1...Bxf5+!
    • 1.Sh6?
      • threat
        • 2.Qxg4#
      • 1...Kxh5
        • 2.Qxg4#
      • 1...Bxf5
        • 2.Rxf5#
      • 1...Bxh5
        • 2.Bf6#
      • 1...g3
        • 2.Qg4#
      • 1...Sf4!
  • Keys
    • 1.Sgf6!
      • threat
        • 2.Qxg4#
      • 1...Kxf5
        • 2.Qxg4#
      • 1...Bxf5
        • 2.Bh6#
      • 1...Bxh5
        • 2.Rxh5#
      • 1...Sf4
        • 2.Se4#
      • 1...g3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);P_PINS(D),SBLOCK,XP(B)::B(F)
    • B(f);SBLOCK,XP(C)::B(F)
    • S(b);N_GUARD::QAB(A)
    • S(b);SBLOCK::QAB(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • B(f);SBLOCK,XP(C)::B(F)
        • S(b);SBLOCK::QAB(A)
      • Refutation
        • B(f);CHECK,XP(B)
    • Try
      • S(I);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • K(e);P-FLIGHT,XP(C)::QAB1(A),XP(c)
        • B(f);OGATE,P_PINS(D),XP(B)::R1(E),XB(f)
        • B(f);SBLOCK,XP(C)::B(F)
        • P(c);::QAR1(A)
      • Refutation
        • S(b);
  • Actual
    • S(I);
    • Threat
      • QAR1(A),XP(c)
    • Vars
      • K(e);P-FLIGHT,XP(B)::QAB1(A),XP(c)
      • B(f);P_PINS(D),SBLOCK,XP(B)::B(F)
      • B(f);OGATE,XP(C)::R1(G),XB(f)
      • S(b);SBLOCK::S(I)
      • P(c);::QAR1(A)
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