MESON Chess Problem Database

Problem Display
PID: 156062 (6q1/8/1pNQ1p2/2pn2p1/R1b2b2/1p2k1P1/2P5/3RK2B w - - 0 1)

Branch, William Shelley

Bristol Observer, 0000

6q1/8/1pNQ1p2/2pn2p1/R1b2b2/1p2k1P1/2P5/3RK2B

#2

8 + 10

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Re4#
    • 1...Be2
      • 2.Re4#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Bb5
      • 2.Re4#
    • 1...Ba6
      • 2.Re4#
    • 1...Bxg3+
      • 2.Qxg3#
    • 1...Sc3
      • 2.Qd2#
    • 1...Sb4
      • 2.Qd2#
    • 1...Sc7
      • 2.Qd2#
    • 1...Se7
      • 2.Qd2#
    • 1...b5
      • 2.Qxc5#
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sxc4#
      • 1...Bxg3+
        • 2.Qxg3#
      • 1...bxa5
        • 2.Qxc5#
      • 1...Bf1
        • 2.Re4#
      • 1...Be2
        • 2.Re4#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Bb5
        • 2.Re4#
      • 1...Ba6
        • 2.Re4#
      • 1...Sc3
        • 2.Qd2#
      • 1...Sb4
        • 2.Qd2#
      • 1...Sc7
        • 2.Qd2#
      • 1...Se7
        • 2.Qd2#
      • 1...b5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);OGATE::R1(F)
    • B(c);N_GUARD::R1(A),XB(c)
    • B(d);CHECK,OGATE,XP(E)::QAR2(H),XB(d)
    • S(f);OGATE::QAB1(H)
    • P(h);N_GUARD::QAB(H),XP(e)
  • Actual
    • S(G);
    • Threat
      • S(G),XB(c)
    • Vars
      • B(d);CHECK,OGATE,XP(E)::QAR2(H),XB(d)
      • P(h);N_GUARD,XS(G)::QAB(H),XP(e)
      • B(c);OGATE::R1(F)
      • B(c);N_GUARD::R1(A),XB(c)
      • S(f);OGATE::QAB1(H)
      • P(h);N_GUARD::QAB(H),XP(e)
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