MESON Chess Problem Database

Problem Display
PID: 28334 (8/p3p3/P3p3/1Npk4/K1N5/8/2Q3P1/8 w - - 0 1)

Grishenko, Galina

Zirka, 1954

8/p3p3/P3p3/1Npk4/K1N5/8/2Q3P1/8

#2

6 + 5

3242 BCPS Rapid Solving (Cheltenham) 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1+?
      • 1...Kxc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc6!
    • 1.Qe2?
      • 1...Kc6
        • 2.Qxe6#
      • 1...e5!
  • Keys
    • 1.Qg6!
      • 1...Kxc4
        • 2.Qe4#
      • 1...Kc6
        • 2.Qxe6#
      • 1...e5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(A)
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAR2(A),XP(c)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT,XS(D)::QAR2(A)
      • K(b);P_SPINP(c),S_FLIGHT::QAR2(A),XP(c)
      • P(c);SBLOCK::S(D)
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