MESON Chess Problem Database

Problem Display
PID: 2197 (4R3/2Kn4/4p1B1/3Prn1N/4k3/2R5/2N5/8 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

4R3/2Kn4/4p1B1/3Prn1N/4k3/2R5/2N5/8

#2

7 + 5

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Re3#
    • 1...exd5
      • 2.Re3#
  • Tries
    • 1.Kxd7?
      • 1...Kxd5
        • 2.Sf6#
      • 1...exd5
        • 2.Re3#
      • 1...Rxd5+!
  • Keys
    • 1.Rd8!
      • 1...Kxd5
        • 2.Sf6#
      • 1...Rxd5
        • 2.Re3#
      • 1...exd5
        • 2.Re3#
      • 1...Sc5
        • 2.Re3#
      • 1...Sb6
        • 2.Re3#
      • 1...Sf6
        • 2.Re3#
      • 1...Sb8
        • 2.Re3#
      • 1...Sf8
        • 2.Re3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(b);P_SPINP(d),SBLOCK,XP(C)::R1(B)
    • P(d);P_SPINR(b),SBLOCK,XP(C)::R1(B)
  • Tries
    • Try
      • K(F);P-FLIGHT,XS(e)
      • Vars
        • K(a);N_SPINS(c),S_FLIGHT,XP(C)::S(D)
        • P(d);P_SPINR(b),SBLOCK,XP(C)::R1(B)
      • Refutation
        • R(b);CHECK,P_SPINP(d),XP(C)
  • Actual
    • R(G);
    • Vars
      • K(a);N_SPINS(c),P_SPINS(e),S_FLIGHT,XP(C)::S(D)
      • R(b);SBLOCK,XP(C)::R1(B)
      • P(d);SBLOCK,XP(C)::R1(B)
      • S(e);::R1(B)
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