MESON Chess Problem Database

Problem Display
PID: 73120 (4K2B/5P2/B1p3p1/R1N1Pr1Q/2pk1p2/1b3P2/3P4/8 w - - 0 1)

Cieslak, Francizek

Tijdschrift vd KNSB, 1936

4K2B/5P2/B1p3p1/R1N1Pr1Q/2pk1p2/1b3P2/3P4/8

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5+
      • 2.Qxe5#
    • 1...c3
      • 2.Sxb3#
  • Tries
    • 1.Qxf5?
      • threat
        • 2.Se6#
        • 2.Qe4#
        • 2.Qd7#
        • 2.e6#
      • 1...Kd5
        • 2.Qe4#
        • 2.Qd7#
      • 1...Bc2
        • 2.Se6#
        • 2.Qd7#
        • 2.e6#
      • 1...c3
        • 2.Sxb3#
        • 2.Qd3#
        • 2.Qe4#
        • 2.e6#
      • 1...gxf5!
    • 1.e6+?
      • 1...Re5
        • 2.Qxe5#
      • 1...Rf6
        • 2.Bxf6#
      • 1...Kd5!
  • Keys
    • 1.Qxg6!
      • threat
        • 2.Qd6#
      • 1...Rxe5+
        • 2.Se6#
      • 1...Kd5
        • 2.Qd6#
      • 1...Rf6
        • 2.Qe4#
      • 1...c3
        • 2.Sxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);CHECK,OGATE,P_SPINR(e),XP(E)::QAB1(F),XR(e)
    • P(b);N_GUARD::S(D),XB(a)
  • Tries
    • Try
      • Q(F);XR(e)
      • Threat
        • DUALS(4)
      • Refutation
        • P(g);XQ(F)
    • Try
      • P(E);CHECK
      • Vars
        • R(e);OGATE,P_PINP(E),P_SPINR(e)::QAB1(F),XR(e)
        • R(e);N_GUARD,P_SPINR(e)::B(J),XR(e)
      • Refutation
        • K(c);P-FLIGHT,P_SPINR(e)
  • Actual
    • Q(F);XP(g)
    • Threat
      • QAR2(F)
    • Vars
      • R(e);CHECK,P_SPINR(e),XP(E)::S(D)
      • K(c);P-FLIGHT::QAR1(F)
      • R(e);OGATE::QAR1(F)
      • P(b);N_GUARD::S(D),XB(a)
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Developed and maintained by Brian Stephenson.
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