MESON Chess Problem Database

Problem Display
PID: 91374 (1B6/2R4B/5P1K/r6p/1R1PNk1p/6p1/4P1Q1/1N2b1n1 w - - 0 1)

Bakcsi, Gyorgy

Probleemblad, 1963

1B6/2R4B/5P1K/r6p/1R1PNk1p/6p1/4P1Q1/1N2b1n1

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Qxf3#
    • 1...Sh3
      • 2.Qf3#
  • Tries
    • 1.Sed2?
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Rc3#
      • 1...Kg4
        • 2.d5#
      • 1...Sf3
        • 2.Qxf3#
      • 1...Re5!
    • 1.Rc5+?
      • 1...Kg4
        • 2.Bf5#
      • 1...Ke3!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qe4#
      • 1...Ke3
        • 2.Re7#
      • 1...Kg4
        • 2.Rg7#
      • 1...Sf3
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(b);N_GUARD::QAR1(C),XS(b)
    • S(b);N_GUARD::QAR1(C)
  • Tries
    • Try
      • S(F);
      • Threat
        • QAR1(C)
      • Vars
        • K(d);S_FLIGHT::R(I)
        • K(d);P-FLIGHT,P_SPINP(c)::R(D)+P(E)
        • S(b);N_GUARD::QAR1(C),XS(b)
      • Refutation
        • R(f);
    • Try
      • R(I);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINP(c)::B(J)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(F);
    • Threat
      • QAR1(C)
    • Vars
      • K(d);S_FLIGHT::R(I)
      • K(d);P-FLIGHT,P_SPINP(c)::R(I)
      • S(b);N_GUARD::QAR1(C),XS(b)
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