MESON Chess Problem Database

Problem Display
PID: 109811 (2R5/1P2R3/5p2/2pP1p2/2Nknp2/3P1B2/2K5/8 w - - 0 1)

Petkov, Petko Andonov

Gazeta Czestochowska, 1980

2R5/1P2R3/5p2/2pP1p2/2Nknp2/3P1B2/2K5/8

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.b8Q?
      • 1...Kxd5
        • 2.Qd6#
      • 1...Sd2
        • 2.Qb2#
      • 1...Sf2
        • 2.Qb2#
      • 1...Sg3
        • 2.Qb2#
      • 1...Sg5
        • 2.Qb2#
      • 1...Sd6
        • 2.Qb2#
      • 1...Sc3!
  • Keys
    • 1.b8S!
      • 1...Kxd5
        • 2.Rd8#
      • 1...Sd2
        • 2.Sc6#
      • 1...Sf2
        • 2.Sc6#
      • 1...Sc3
        • 2.Sc6#
      • 1...Sg3
        • 2.Sc6#
      • 1...Sg5
        • 2.Sc6#
      • 1...Sd6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(E)::QAR1(F)
        • S(b);N_GUARD::QAB(F)
      • Refutation
        • S(b);
  • Actual
    • P(F);
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(E)::R(H)
      • S(b);::S(F)
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