MESON Chess Problem Database

Problem Display
PID: 153475 (8/1Q5B/r1p3RB/p7/1n4p1/2p1N1p1/p2Nk3/5RK1 w - - 0 1)

Betts, Frederick Charles

Falkirk Herald, 1916

(First published on Wed May 31 1916)

8/1Q5B/r1p3RB/p7/1n4p1/2p1N1p1/p2Nk3/5RK1

#2

8 + 9

15351 SCPF/BCPS Black Books 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Re6#
      • 1...Sc2
        • 2.Qxa6#
      • 1...Sd3
        • 2.Sxc3#
      • 1...Sd5
        • 2.Qxa6#
      • 1...c5
        • 2.Qe4#
      • 1...Kd3!
    • 1.Re6?
      • threat
        • 2.Sd1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sec4#
        • 2.Sxg4#
        • 2.Sd5#
      • 1...Kxd2
        • 2.Sd1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sc4#
        • 2.Sxg4#
        • 2.Sd5#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sd5
        • 2.Sxd5#
      • 1...c2
        • 2.Sd1#
        • 2.Sxc2#
        • 2.Sg2#
        • 2.Sec4#
        • 2.Sxg4#
        • 2.Sd5#
      • 1...g2
        • 2.Sd1#
        • 2.Sc2#
        • 2.Sxg2#
        • 2.Sec4#
        • 2.Sxg4#
        • 2.Sd5#
      • 1...c5
        • 2.Qg2#
      • 1...Sd3!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Re6#
      • 1...Kd3
        • 2.Re6#
      • 1...Sxc2
        • 2.Qxa6#
      • 1...Sd3
        • 2.Sd4#
      • 1...Sd5
        • 2.Qxa6#
      • 1...c5
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • R(E)
      • Vars
        • S(e);N_GUARD::QAB(G),XR(h)
        • S(e);SBLOCK::S(D),XP(c)
        • P(i);OGATE::QAR2(G)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);
      • Threat
        • DUALS(6)
      • Vars
        • S(e);::R(E)+S(D),XS(e)
        • P(i);OGATE::QAR2(G)
      • Refutation
        • S(e);
  • Actual
    • S(D);
    • Threat
      • R(E)
    • Vars
      • K(b);S_FLIGHT::B(H)+R(E)
      • S(e);N_GUARD,XS(D)::QAB(G),XR(h)
      • S(e);SBLOCK::S(D)
      • S(e);N_GUARD::QAB(G),XR(h)
      • P(i);OGATE::QAR2(G)
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