MESON Chess Problem Database

Problem Display
PID: 9595 (3rN3/P2p2K1/R4P2/3kbQ1p/1P1P2p1/4p2r/nB2N1R1/7B w - - 0 1)

White, Alain Campbell

Les Tours de Force sur l'Echiquier, 1906

3rN3/P2p2K1/R4P2/3kbQ1p/1P1P2p1/4p2r/nB2N1R1/7B

#2

12 + 9

15 British Chess Magazine 1906
2794 Terms & Themes of Chess Problems 1907
887 Mate in Two Moves 1931
1085 Australian Chess Problem Magazine 1992

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sf4#
        • 2.Qxe5#
      • 1...Rf3
        • 2.Qxe5#
      • 1...Re8
        • 2.Sf4#
      • 1...Sc3
        • 2.Qxe5#
      • 1...Rg8+!
  • Keys
    • 1.Qd3!
      • threat
        • 2.dxe5#
      • 1...Bxf6+
        • 2.Sxf6#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...Sxb4
        • 2.Sc3#
      • 1...Bd6
        • 2.Rxd6#
      • 1...d6
        • 2.Sc7#
      • 1...Bh2
        • 2.Rg3#
      • 1...Bg3
        • 2.Rh2#
      • 1...Bf4
        • 2.Sxf4#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Bb8
        • 2.a8Q#
        • 2.a8B#
      • 1...Sc1
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(L);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);::QAR1(G),XB(f)
        • R(i);::S(C)
        • S(a);::QAR1(G),XB(f)
      • Refutation
        • R(i);CHECK
  • Actual
    • Q(G);N_PINB(f)
    • Threat
      • QAR(G)+P(F),XB(f)
    • Vars
      • B(f);CHECK,XP(I)::S(L),XB(f)
      • B(f);OGATE,P_SPINB(f),XP(F)::QAR1(G),XB(f)
      • S(a);N_GUARD,XP(E)::S(C)
      • B(f);N_GUARD,N_PINP(I)::R1(H),XB(f)
      • P(h);S_CUTB(f)::S(L)
      • B(f);N_PINP(I),S_CUTR(c)::B(A)+R(D)
      • B(f);N_GUARD,N_PINP(I)::S(C),XB(f)
      • B(f);N_GUARD,N_PINP(I)::S(L),XB(f)
      • B(f);N_PINP(I),S_CUTR(i)::P=Q
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
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