MESON Chess Problem Database

Problem Display
PID: 151761 (n1bk4/1p1p3R/1p5p/1P2N2B/3N1B2/8/3pp2K/3R3Q w - - 0 1)

Rossomakho, Felix Vulfovich

2nd HM., Shakhmaty v SSSR, 1955

n1bk4/1p1p3R/1p5p/1P2N2B/3N1B2/8/3pp2K/3R3Q

#2

9 + 9

133 The Problemist Supplement 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Sec6#
  • Tries
    • 1.Qd5?
      • threat
        • 2.Se6#
      • 1...Kc7
        • 2.Sec6#
      • 1...d6
        • 2.Qg8#
      • 1...Sc7!
  • Keys
    • 1.Qe1!
      • 1...Kc7
        • 2.Sec6#
      • 1...dxe1Q
        • 2.Se6#
      • 1...dxe1S
        • 2.Se6#
      • 1...dxe1B
        • 2.Se6#
      • 1...dxe1R
        • 2.Se6#
      • 1...exd1Q
        • 2.Sf7#
      • 1...exd1S
        • 2.Sf7#
      • 1...exd1B
        • 2.Sf7#
      • 1...exd1R
        • 2.Sf7#
      • 1...Sc7
        • 2.Qh4#
      • 1...d5
        • 2.Qh4#
      • 1...d6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • K(i);P_SPINP(f),S_FLIGHT::B(E)+S(G)
  • Tries
    • Try
      • Q(B);P_PINP(f)
      • Threat
        • S(D)
      • Vars
        • K(i);S_FLIGHT::B(E)+S(G)
        • P(f);::QAR(B)
      • Refutation
        • S(g);
  • Actual
    • Q(B);
    • Vars
      • K(i);P_SPINP(f),S_FLIGHT::B(E)+S(G)
      • P(a);S_CUTP(f),XQ(B)::S(D)
      • P(b);XR(A)::S(G)
      • S(g);SBLOCK::QAB(B)
      • P(f);::QAB(B)
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