MESON Chess Problem Database

Problem Display
PID: 11695 (8/8/8/1Q6/2p1N3/3k4/2N5/4K2R w K - 0 1)

Sevastiyanov, V

Chervoni Girnik, 1971

8/8/8/1Q6/2p1N3/3k4/2N5/4K2R

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Kf2?
      • 1...Kxc2
        • 2.Qb1#
      • 1...Kxe4!
    • 1.Rf1?
      • 1...Kxe4
        • 2.Qf5#
      • 1...Kxc2!
    • 1.Rh3+?
      • 1...Kxc2
        • 2.Rc3#
      • 1...Kxe4!
    • 1.Rh5?
      • 1...Kxe4
        • 2.Qf5#
      • 1...Kxc2!
    • 1.Qa4?
      • 1...c3
        • 2.Sf2#
        • 2.Sc5#
        • 2.Rh3#
      • 1...Kxe4!
    • 1.Qf5?
      • 1...c3
        • 2.Sd2#
        • 2.Sd6#
      • 1...Kxc2!
  • Keys
    • 1.0-0!
      • 1...Kxc2
        • 2.Qb1#
      • 1...Ke2
        • 2.Qxc4#
      • 1...Kxe4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(C)::QAB1(E)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)
    • Try
      • R(B);
      • Vars
        • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(C)
    • Try
      • R(B);CHECK
      • Vars
        • K(a);N_SPINP(b),OGATE,S_FLIGHT,XS(C)::R1(B)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)
    • Try
      • R(B);
      • Vars
        • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(C)
    • Try
      • Q(E);N_PINP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XS(D)
    • Try
      • Q(E);N_PINP(b)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
  • Actual
    • K(A);0-0
    • Vars
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(C)::QAB1(E)
      • K(a);S_FLIGHT::QAB(E),XP(b)
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB1(E)
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