MESON Chess Problem Database

Problem Display
PID: 12459 (R5B1/8/8/8/8/PNP5/kbK4R/N7 w - - 0 1)

van den Horst, D

Schakend Nederland, 1979

R5B1/8/8/8/8/PNP5/kbK4R/N7

#2

8 + 2

56 The Problemist 1980
3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Bxa1
      • 2.Sc1#
      • 2.Sd2#
      • 2.Sd4#
      • 2.Sc5#
    • 1...Bc1
      • 2.Kxc1#
  • Tries
    • 1.Sa5+?
      • 1...Kxa3
        • 2.S5b3#
        • 2.Sc4#
        • 2.Sc6#
        • 2.Sb7#
      • 1...Kxa1!
  • Keys
    • 1.Bh7!
      • 1...Bxa1
        • 2.Sc1#
      • 1...Bxa3
        • 2.Kd1#
      • 1...Bxc3
        • 2.Kxc3#
      • 1...Bc1
        • 2.Kxc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);::R(C)+K(B),XB(b)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);P-FLIGHT,XS(A)
  • Actual
    • B(H);
    • Vars
      • B(b);N_GUARD,SBLOCK,XS(A)::S(E)
      • B(b);P_SPINB(b),XP(D)::R(C)+K(B)
      • B(b);XP(F)::R(C)+K(B),XB(b)
      • B(b);::R(C)+K(B),XB(b)
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