MESON Chess Problem Database

Problem Display
PID: 82467 (5N2/4K1pp/1Qp3Nb/6k1/6B1/5b1n/2n5/6R1 w - - 0 1)

Havel, Miroslav

Ceske listy sachove, 1900

5N2/4K1pp/1Qp3Nb/6k1/6B1/5b1n/2n5/6R1

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qc5#
    • 1...Be2
      • 2.Qc5#
    • 1...Bxg4
      • 2.Qc5#
    • 1...c5
      • 2.Sxh7#
  • Tries
    • 1.Bxh3+?
      • 1...Bg2
        • 2.Qc5#
      • 1...Bg4
        • 2.Qc5#
      • 1...Kh5!
    • 1.Qf2?
      • threat
        • 2.Qh4#
      • 1...Bxg4
        • 2.Qc5#
      • 1...hxg6
        • 2.Se6#
      • 1...Sxf2!
    • 1.Qe3+?
      • 1...Sf4
        • 2.Qxf4#
        • 2.Qe5#
      • 1...Sxe3!
  • Keys
    • 1.Bxf3+!
      • 1...Kf5
        • 2.Qc5#
      • 1...Sxg1
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(b);N_GUARD::QAR(C)
    • B(b);N_GUARD,P_SPINB(b),XB(B)::QAR(C)
    • P(e);::S(F),XP(h)
  • Tries
    • Try
      • B(B);CHECK,XS(c)
      • Vars
        • B(b);P_SPINB(b)::QAR(C)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • B(b);N_GUARD,P_SPINB(b),XB(B)::QAR(C)
        • P(h);SBLOCK,XS(D)::S(F)
      • Refutation
        • S(c);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • S(a);XQ(C)
  • Actual
    • B(B);CHECK,XB(b)
    • Vars
      • K(d);P-FLIGHT::QAR(C)
      • S(c);XR(A)::QAR(C)
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