MESON Chess Problem Database

Problem Display
PID: 227380 (8/B3pp2/2pRP2Q/4kN2/1P6/5P2/3P4/4K3 w - - 0 1)

Westberg, CE

Tidskrift for Schack, 1910

8/B3pp2/2pRP2Q/4kN2/1P6/5P2/3P4/4K3

#2

9 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc6?
      • threat
        • 2.Rc5#
      • 1...Kd5
        • 2.Rc5#
      • 1...Kxf5
        • 2.Rc5#
      • 1...f6!
  • Keys
    • 1.Se3!
      • 1...Kxd6
        • 2.Bb8#
      • 1...exd6
        • 2.d4#
      • 1...fxe6
        • 2.Rxe6#
      • 1...c5
        • 2.Rd5#
      • 1...f5
        • 2.Sc4#
      • 1...f6
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XP(b)
      • Threat
        • R(F)
      • Vars
        • K(a);P-FLIGHT::R1(F)
        • K(a);P-FLIGHT,XS(E)::R(F)
      • Refutation
        • P(d);
  • Actual
    • S(E);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(F)::B(I)
      • P(c);SBLOCK,XR(F)::P(B)
      • P(d);OGATE,XP(G)::R1(F),XP(d)
      • P(b);N_GUARD::R1(F)
      • P(d);SBLOCK::S(E)
      • P(d);SBLOCK::QAB(H)
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