MESON Chess Problem Database

Problem Display
PID: 130755 (2N4n/2p4p/R1B2k1B/4RN2/8/6K1/8/8 w - - 0 1)

Bobrov, Pavel Pavlovich

La Presse, 1898

2N4n/2p4p/R1B2k1B/4RN2/8/6K1/8/8

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Be8#
    • 1...Kf7
      • 2.Bd5#
  • Tries
    • 1.Bg7+?
      • 1...Kg5
        • 2.Sh4#
        • 2.Sfe7#
      • 1...Kf7
        • 2.Bd5#
      • 1...Kg6!
  • Keys
    • 1.Sd4!
      • 1...Kxe5
        • 2.Bg7#
      • 1...Kg6
        • 2.Be8#
      • 1...Kf7
        • 2.Bd5#
      • 1...Sg6
        • 2.Rf5#
      • 1...Sf7
        • 2.Re6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(D)+B(E),DCHECK
    • K(a);P-FLIGHT::B(E)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(a);P-FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT,XR(B)::B(F)
      • K(a);P-FLIGHT::R(D)+B(E),DCHECK
      • K(a);P-FLIGHT::B(E)
      • S(d);SBLOCK::R1(B)
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