MESON Chess Problem Database

Problem Display
PID: 49636 (8/2B5/3R3p/KpkPb3/b1p5/2np1N2/6Q1/3n4 w - - 0 1)

Mochalkin, Oleksandr Viktorovich

Shakhmaty v SSSR, 1986

8/2B5/3R3p/KpkPb3/b1p5/2np1N2/6Q1/3n4

#2

6 + 9

5159 FIDE Album (1986-1988) (Annexe) 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Sg5?
      • threat
        • 2.Se6#
      • 1...Kd4
        • 2.Bb6#
      • 1...hxg5!
    • 1.Qg6?
      • threat
        • 2.Bb6#
      • 1...Bxd6
        • 2.Qxd6#
      • 1...Sxd5
        • 2.Rc6#
      • 1...Bf6!
    • 1.Qg8?
      • threat
        • 2.Rc6#
      • 1...Bxd6
        • 2.Bb6#
      • 1...Sxd5
        • 2.Qxd5#
      • 1...b4!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Se6#
      • 1...Kxd4
        • 2.Bb6#
      • 1...Bxd4
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • K(g);S_FLIGHT::B(F)
      • Refutation
        • P(i);XS(B)
    • Try
      • Q(A);
      • Threat
        • B(F)
      • Vars
        • B(h);OGATE,XR(E)::QAB1(A),XB(h)
        • S(b);SBLOCK,XP(D)::R1(E)
      • Refutation
        • B(h);
    • Try
      • Q(A);
      • Threat
        • R1(E)
      • Vars
        • B(h);SBLOCK,XR(E)::B(F)
        • S(b);OGATE,XP(D)::QAR1(A),XS(b)
      • Refutation
        • P(f);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(g);S_FLIGHT,XS(B)::B(F)
      • B(h);SBLOCK,XS(B)::R1(E)
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