MESON Chess Problem Database

Problem Display
PID: 71207 (8/2p5/p7/rn1N2K1/k2b3R/pn1N4/b7/R7 w - - 0 1)

Bernard, Henry D'Oyly

Checkmate, 1904

8/2p5/p7/rn1N2K1/k2b3R/pn1N4/b7/R7

#2

5 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Sb2#
    • 1...Sxa1
      • 2.Sc5#
    • 1...Sc1
      • 2.Sc5#
    • 1...Sd2
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...c5
      • 2.Sb6#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Kg6?
      • 1...Sxa1
        • 2.Sc5#
      • 1...Sc1
        • 2.Sc5#
      • 1...Sd2
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sa7
        • 2.Sc3#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#
      • 1...Bb1!
    • 1.Rxd4+?
      • 1...S3xd4
        • 2.Sc5#
      • 1...S5xd4!
  • Keys
    • 1.Kh6!
      • 1...Sxa1
        • 2.Sc5#
      • 1...Sc1
        • 2.Sc5#
      • 1...Sd2
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sa7
        • 2.Sc3#
      • 1...Bb1
        • 2.Sb2#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);P_SPINP(b)::S(B)
    • S(c);N_GUARD,XR(A)::S(B)
    • S(c);N_GUARD::S(B)
    • S(c);N_GUARD::S(B),XS(c)
    • P(i);N_GUARD::S(D)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • S(c);N_GUARD,XR(A)::S(B)
        • S(c);N_GUARD::S(B)
        • S(c);N_GUARD::S(B),XS(c)
        • S(g);N_GUARD::S(D),XS(g)
        • S(g);N_GUARD::S(D)
        • P(i);N_GUARD::S(D)
      • Refutation
        • B(a);P_PINS(B),P_SPINP(b)
    • Try
      • R(C);CHECK,XB(e)
      • Vars
        • S(c);XR(C)::S(B)
      • Refutation
        • S(g);P_PINS(D),XR(C)
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • S(c);N_GUARD,XR(A)::S(B)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(B),XS(c)
      • S(g);N_GUARD::S(D),XS(g)
      • S(g);N_GUARD::S(D)
      • B(a);P_SPINP(b)::S(B)
      • P(i);N_GUARD::S(D)
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