MESON Chess Problem Database

Problem Display
PID: 143587 (8/2BrPB2/3R2nN/3QR2n/1N1p1k1p/3p3r/K6p/8 w - - 0 1)

Clark, WA

British Chess Magazine, 1896

8/2BrPB2/3R2nN/3QR2n/1N1p1k1p/3p3r/K6p/8

#2

9 + 9

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Qe4#
    • 1...Sg3
      • 2.Sxd3#
  • Tries
    • 1.Sxd3+?
      • 1...Kg3
        • 2.Rg5#
        • 2.Rxg6#
      • 1...Rxd3!
    • 1.Rf5+?
      • 1...Kg3
        • 2.Rxg6#
        • 2.Qf3#
      • 1...Ke3!
    • 1.Rf6+?
      • 1...Kg3
        • 2.Re3#
        • 2.Rg5#
        • 2.Qf3#
      • 1...Sxf6!
  • Keys
    • 1.Qg2!
      • threat
        • 2.Re4#
      • 1...Kxe5
        • 2.Re6#
      • 1...Rxe7
        • 2.Rxd4#
      • 1...Sxe5
        • 2.Sd5#
      • 1...Re3
        • 2.Rf5#
      • 1...Rf3
        • 2.Qg5#
      • 1...Rg3
        • 2.Qe4#
      • 1...Sg3
        • 2.Sxd3#
      • 1...Sf6
        • 2.Rxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::QAR1(C)
    • S(g);SBLOCK,S_CUTR(c)::S(B),XP(b)
  • Tries
    • Try
      • S(B);CHECK,XP(b)
      • Refutation
        • R(c);XS(B)
    • Try
      • R(D);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • S(g);XR(E)
  • Actual
    • Q(C);
    • Threat
      • R1(D)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(D)::B(G)+R(E),DCHECK
      • R(i);N_GUARD,XP(H)::R(E),XP(d)
      • S(h);SBLOCK,XR(D)::S(B)
      • R(c);SBLOCK::R1(D)
      • R(c);SBLOCK::QAB1(C)
      • R(c);SBLOCK::QAR1(C)
      • S(g);S_CUTR(c)::S(B),XP(b)
      • S(g);N_GUARD::R(E),XS(g)
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