MESON Chess Problem Database

Problem Display
PID: 105535 (8/4B3/p1RNp3/4k2p/2P5/p1p2K2/1b4R1/8 w - - 0 1)

Costin, Victor

La Presse, 1898

8/4B3/p1RNp3/4k2p/2P5/p1p2K2/1b4R1/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • threat
        • 2.Rg5#
        • 2.Rc5#
      • 1...Kf5
        • 2.Rg5#
      • 1...Bc1
        • 2.Rc5#
      • 1...axb5!
    • 1.Sf7+?
      • 1...Kf5
        • 2.Rg5#
      • 1...Kd4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Rc5#
      • 1...Kxf5
        • 2.Rg5#
      • 1...exf5
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(d);P-FLIGHT::R1(A)
        • B(a);::R(D)
      • Refutation
        • P(f);XS(E)
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(A)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • R(D)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XS(E)::R1(A)
      • P(g);SBLOCK,XS(E)::B(F)
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