MESON Chess Problem Database

Problem Display
PID: 191296 (rk6/pn2PK2/6p1/5B2/5R2/6R1/r6B/bQ6 w - - 0 1)

Bakcsi, Gyorgy

2nd Prize, Backo Petrovo Selo, 1977

rk6/pn2PK2/6p1/5B2/5R2/6R1/r6B/bQ6

#2

7 + 7

102 Probleemblad 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Rxb7#
      • 1...Kc7
        • 2.Rc4#
      • 1...Rb2
        • 2.Rf2#
      • 1...Bb2
        • 2.Rd4#
      • 1...gxf5!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rxb7#
      • 1...Kc7
        • 2.Rc3#
      • 1...gxf5
        • 2.Rg8#
      • 1...Rb2
        • 2.Rg2#
      • 1...Bb2
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • R1(C),XS(e)
      • Vars
        • K(g);N_SPINS(e),S_FLIGHT::B(B)+R(D),DCHECK
        • R(b);S_CUTB(a)::B(B)+R(D)
        • B(a);S_CUTR(b)::B(B)+R(D)
      • Refutation
        • P(c);XB(E)
  • Actual
    • R(D);
    • Threat
      • R1(D),XS(e)
    • Vars
      • K(g);N_SPINS(e),S_FLIGHT::B(B)+R(C),DCHECK
      • P(c);OGATE,XB(E)::B(B)+R(C),DCHECK
      • R(b);S_CUTB(a)::B(B)+R(C)
      • B(a);S_CUTR(b)::B(B)+R(C)
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