MESON Chess Problem Database

Problem Display
PID: 5014 (1bb1r3/np1p2B1/4R3/4P3/N2kB2R/NPp4K/5P1P/n2r4 w - - 0 1)

Blake, Percy Francis

Bolton Football and Field, 1896

1bb1r3/np1p2B1/4R3/4P3/N2kB2R/NPp4K/5P1P/n2r4

#2

11 + 10

15 British Chess Magazine 1911

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3+
      • 2.Bf3#
    • 1...Bxe5
      • 2.Bxe5#
      • 2.Rd6#
    • 1...Bd6
      • 2.Rxd6#
      • 2.exd6#
    • 1...Sc2
      • 2.Sxc2#
    • 1...Sb5
      • 2.Sxb5#
    • 1...Sc6
      • 2.Sb5#
    • 1...d5
      • 2.Bb1#
      • 2.Bc2#
      • 2.Bf5#
      • 2.Bg6#
      • 2.Bh7#
      • 2.exd5 ep#
    • 1...d6
      • 2.exd6#
  • Tries
    • 1.Bd3+?
      • 1...Kd5
        • 2.Bc4#
      • 1...Kxd3!
  • Keys
    • 1.Rb6!
      • threat
        • 2.Rb4#
      • 1...Rd3+
        • 2.Bf3#
      • 1...d5+
        • 2.Bf5#
      • 1...d6+
        • 2.e6#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sb5
        • 2.Sxb5#
      • 1...Sc6
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);CHECK,SBLOCK::R(H)+B(G)
    • S(a);N_GUARD::S(C),XS(a)
    • S(e);N_GUARD::S(C),XS(e)
    • S(e);N_GUARD::S(C)
    • P(g);OGATE,P_PINR(J)::B(K)+P(I),XP(g)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(d);P-FLIGHT::B(G)
      • Refutation
        • K(d);P-FLIGHT,XB(G)
  • Actual
    • R(J);
    • Threat
      • R(J)
    • Vars
      • R(b);CHECK,SBLOCK::R(H)+B(G)
      • P(g);CHECK,SBLOCK::R(H)+B(G)
      • P(g);CHECK,S_CUTB(h)::B(K)+P(I)
      • B(h);N_GUARD::R(J),XB(h)
      • S(a);N_GUARD::S(C),XS(a)
      • S(e);N_GUARD::S(C),XS(e)
      • S(e);N_GUARD::S(C)
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