MESON Chess Problem Database

Problem Display
PID: 156281 (B7/b7/3p4/2Pr4/1R1pk1NN/6P1/3KP3/4n3 w - - 0 1)

Meyer, Max Julius

Leeds Mercury, 1902

(First published on Mon Aug 18 1902)

B7/b7/3p4/2Pr4/1R1pk1NN/6P1/3KP3/4n3

#2

8 + 6

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.exd3#
    • 1...Sf3+
      • 2.exf3#
  • Tries
    • 1.Rb8?
      • threat
        • 2.Re8#
      • 1...Sf3+
        • 2.exf3#
      • 1...d3
        • 2.Rb4#
      • 1...Sd3
        • 2.exd3#
      • 1...Bxb8!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Re7#
      • 1...Sf3+
        • 2.exf3#
      • 1...Re5
        • 2.Sf6#
      • 1...d3
        • 2.Rb4#
      • 1...Sd3
        • 2.exd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);OGATE::P(B),XS(a)
    • S(a);CHECK,OGATE::P(B),XS(a)
  • Tries
    • Try
      • R(D);N_PINP(b)
      • Threat
        • R(D)
      • Vars
        • S(a);CHECK,OGATE::P(B),XS(a)
        • P(b);OGATEB::R(D)
        • S(a);OGATE::P(B),XS(a)
      • Refutation
        • B(f);XR(D)
  • Actual
    • R(D);N_PINP(b),N_PINR(d)
    • Threat
      • R(D)
    • Vars
      • S(a);CHECK,OGATE::P(B),XS(a)
      • R(d);SBLOCK::S(E)
      • P(b);OGATEB::R(D)
      • S(a);OGATE::P(B),XS(a)
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