MESON Chess Problem Database

Problem Display
PID: 135971 (6B1/3pR3/3p2pK/5kP1/3n1P2/6P1/4PNn1/bb6 w - - 0 1)

Healey, Percy E

The Field, 1917

(First published on Sat Mar 24 1917)

6B1/3pR3/3p2pK/5kP1/3n1P2/6P1/4PNn1/bb6

#2

8 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.e4#
    • 1...Sxf4
      • 2.g4#
    • 1...Sc2
      • 2.e4#
    • 1...d5
      • 2.Re5#
  • Tries
    • 1.Be6+?
      • 1...dxe6
        • 2.Rf7#
      • 1...Sxe6!
    • 1.Bf7?
      • threat
        • 2.Bxg6#
      • 1...Sxf4
        • 2.g4#
      • 1...Sh4!
    • 1.Bh7?
      • threat
        • 2.Bxg6#
      • 1...Sxf4
        • 2.g4#
      • 1...Sh4!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Rf7#
      • 1...Bxa2
        • 2.e4#
      • 1...Sxf4
        • 2.g4#
      • 1...Sxe2
        • 2.Bxb1#
      • 1...Sc2
        • 2.e4#
      • 1...Sb3
        • 2.Bxb1#
      • 1...Sf3
        • 2.Bxb1#
      • 1...Sb5
        • 2.Bxb1#
      • 1...Sc6
        • 2.Bxb1#
      • 1...Se6
        • 2.Bxb1#
      • 1...d5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::P(A)
    • S(c);SBLOCK,XP(D)::P(C)
    • S(d);S_CUTB(b)::P(A)
    • P(f);N_GUARD::R1(G)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • P(h);SBLOCK,XB(H)::R(G)
      • Refutation
        • S(d);XB(H)
    • Try
      • B(H);
      • Threat
        • B(H),XP(g)
      • Vars
        • S(c);SBLOCK,XP(D)::P(C)
      • Refutation
        • S(c);
    • Try
      • B(H);P_PINP(g)
      • Threat
        • B(H),XP(g)
      • Vars
        • S(c);SBLOCK,XP(D)::P(C)
      • Refutation
        • S(c);
  • Actual
    • B(H);
    • Threat
      • R(G)
    • Vars
      • B(b);N_GUARD,XB(H)::P(A)
      • S(c);SBLOCK,XP(D)::P(C)
      • S(d);N_GUARD,XP(A)::B(H),XB(b)
      • S(d);S_CUTB(b)::P(A)
      • S(d);N_GUARD::B(H),XB(b)
      • P(f);N_GUARD::R1(G)
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