MESON Chess Problem Database

Problem Display
PID: 79766 (R7/8/8/3p4/n2P4/kNB4R/2P5/K7 w - - 0 1)

Touw Hian Bwee

Schweizerische Schachzeitung, 1978

R7/8/8/3p4/n2P4/kNB4R/2P5/K7

#2

7 + 3

6352 A Collection of Chess Problems by Touw Hian Bwee 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Ba5?
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb6
        • 2.Sc5#
      • 1...Sb2!
  • Keys
    • 1.Sa5!
      • 1...Sxc3
        • 2.Sc6#
      • 1...Sb2
        • 2.Sc4#
      • 1...Sc5
        • 2.Sc4#
      • 1...Sb6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);N_PINS(b)
      • Vars
        • S(b);OGATEB::R(G)+B(D),XS(b)
        • S(b);N_GUARD::R(E)+S(C),XS(b)
        • S(b);N_GUARD::R(E)+S(C)
      • Refutation
        • S(b);
  • Actual
    • S(C);N_PINS(b)
    • Vars
      • S(b);P_SPINS(b),XB(D)::R(G)+S(C)
      • S(b);::R(G)+S(C),DCHECK
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