MESON Chess Problem Database

Problem Display
PID: 64008 (K3R3/2p4Q/3pb3/Pp1k1Np1/3B4/1P1N4/4P3/6qn w - - 0 1)

Clark, WA

HM., The Schoolmaster, 1891

K3R3/2p4Q/3pb3/Pp1k1Np1/3B4/1P1N4/4P3/6qn

#2

9 + 8

187 The Chess Bouquet 1897

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sb4#
    • 1...Qxd4
      • 2.Se7#
    • 1...Bd7
      • 2.Sb4#
    • 1...Bf7
      • 2.Sb4#
    • 1...Bc8
      • 2.Sb4#
    • 1...Bg8
      • 2.Sb4#
    • 1...c5
      • 2.Qb7#
  • Tries
    • 1.Ba7?
      • threat
        • 2.Se7#
      • 1...Ke4
        • 2.Se3#
      • 1...Kc6
        • 2.Sb4#
      • 1...Bxf5
        • 2.Sb4#
      • 1...Qc5
        • 2.Qxh1#
      • 1...Qb6
        • 2.Qxh1#
      • 1...Bd7
        • 2.Sb4#
      • 1...Bf7
        • 2.Sb4#
      • 1...Bc8
        • 2.Sb4#
      • 1...Bg8
        • 2.Sb4#
      • 1...c5
        • 2.Qb7#
      • 1...Qxa7+!
    • 1.Qxh1+?
      • 1...Qg2
        • 2.Qxg2#
      • 1...Qxh1!
    • 1.e4+?
      • 1...Kc6
        • 2.Sb4#
      • 1...Kxe4!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Se7#
      • 1...Ke4
        • 2.Se3#
      • 1...Kc6
        • 2.Sb4#
      • 1...Qxb6
        • 2.Qxh1#
      • 1...Bxf5
        • 2.Sb4#
      • 1...cxb6
        • 2.Qb7#
      • 1...Qc5
        • 2.Qxh1#
      • 1...Bd7
        • 2.Sb4#
      • 1...Bf7
        • 2.Sb4#
      • 1...Bc8
        • 2.Sb4#
      • 1...Bg8
        • 2.Sb4#
      • 1...c5
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::S(C)
    • Q(a);SBLOCK,XB(D)::S(F)
    • B(g);::S(C)
    • P(h);OGATE::QAB(G)
  • Tries
    • Try
      • B(D);
      • Threat
        • S(F)
      • Vars
        • K(d);P_SPINB(g),S_FLIGHT::QAB(G)+S(F)
        • K(d);S_FLIGHT::S(C)
        • B(g);XS(F)::S(C)
        • Q(a);N_GUARD::QAB(G),XS(b)
        • B(g);::S(C)
        • P(h);OGATE::QAB(G)
      • Refutation
        • Q(a);CHECK,XB(D)
    • Try
      • Q(G);CHECK,XS(b)
      • Vars
        • Q(a);N_GUARD,P_SPINQ(a)::QAB(G),XQ(a)
      • Refutation
        • Q(a);XQ(G)
    • Try
      • P(A);CHECK
      • Vars
        • K(d);S_FLIGHT::S(C)
      • Refutation
        • K(d);P_SPINB(g),S_FLIGHT,XP(A)
  • Actual
    • B(D);
    • Threat
      • S(F)
    • Vars
      • K(d);P_SPINB(g),S_FLIGHT::QAB(G)+S(F)
      • K(d);S_FLIGHT::S(C)
      • Q(a);N_GUARD,XB(D)::QAB(G),XS(b)
      • B(g);XS(F)::S(C)
      • P(h);OGATE,XB(D)::QAB(G)
      • Q(a);N_GUARD::QAB(G),XS(b)
      • B(g);::S(C)
      • P(h);OGATE::QAB(G)
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