MESON Chess Problem Database

Problem Display
PID: 46749 (8/8/N7/Q7/1n6/1N6/Bk1K4/8 w - - 0 1)

Shalimov, Petr

Severnaya pravda, 1994

8/8/N7/Q7/1n6/1N6/Bk1K4/8

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Sc1?
      • 1...Ka1
        • 2.Qe5#
      • 1...Sxa2
        • 2.Qxa2#
      • 1...Sxa6
        • 2.Qc3#
      • 1...Sc2
        • 2.Qc3#
      • 1...Sd3
        • 2.Qc3#
      • 1...Sc6
        • 2.Qc3#
      • 1...Sd5!
    • 1.Sac5?
      • 1...Sc2
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Sd5
        • 2.Sd3#
      • 1...Sa6
        • 2.Sd3#
      • 1...Sc6
        • 2.Sd3#
      • 1...Sxa2!
  • Keys
    • 1.Bb1!
      • 1...Kxb1
        • 2.Qa1#
      • 1...Kxb3
        • 2.Qxb4#
      • 1...Sxa6
        • 2.Qa2#
      • 1...Sc2
        • 2.Qa2#
      • 1...Sa2
        • 2.Qxa2#
      • 1...Sd3
        • 2.Qa2#
      • 1...Sd5
        • 2.Qa2#
      • 1...Sc6
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAB(D)
        • S(b);OGATE,XB(A)::QAR1(D),XS(b)
        • S(b);OGATE,XS(E)::QAB1(D)
        • S(b);OGATE::QAB1(D)
      • Refutation
        • S(b);
    • Try
      • S(E);
      • Vars
        • S(b);N_GUARD::S(E)
        • S(b);N_GUARD::S(E),XS(b)
      • Refutation
        • S(b);XB(A)
  • Actual
    • B(A);
    • Vars
      • K(a);P-FLIGHT,XB(A)::QAR1(D)
      • K(a);OGATEB,P-FLIGHT,XS(C)::QAR1(D),XS(b)
      • S(b);N_GUARD,XS(E)::QAR1(D)
      • S(b);N_GUARD::QAR1(D)
      • S(b);N_GUARD::QAR1(D),XS(b)
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