MESON Chess Problem Database

Problem Display
PID: 98480 (1b1r4/8/4PB1p/2p2P1B/2N2k1p/K1R2N1r/5P2/1Q5b w - - 0 1)

Petkov, Petko Andonov

Problemas, 1964

1b1r4/8/4PB1p/2p2P1B/2N2k1p/K1R2N1r/5P2/1Q5b

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Be5#
    • 1...Be5
      • 2.Bxe5#
    • 1...Ba7
      • 2.Be5#
  • Keys
    • 1.Sd6!
      • threat
        • 2.Be5#
        • 2.Rc4#
        • 2.Qe4#
        • 2.Qc1#
      • 1...Rxf3
        • 2.Qe4#
      • 1...Rxd6
        • 2.Be5#
      • 1...Bxf3
        • 2.Qc1#
      • 1...Bxd6
        • 2.Rc4#
      • 1...c4
        • 2.Be5#
        • 2.Rxc4#
        • 2.Qe4#
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(h);S_CUTB(g)::B(J)
    • B(g);N_GUARD::B(J),XB(g)
    • B(g);N_GUARD::B(J)
  • Actual
    • S(F);
    • Threat
      • DUALS(4)
    • Vars
      • R(b);P_PINR(D),XS(E)::QAR1(A)
      • R(h);XS(F)::B(J)
      • B(a);XS(E)::QAB(A)
      • B(g);XS(F)::R(D)
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