MESON Chess Problem Database

Problem Display
PID: 51453 (8/2n1R2N/2Kp2p1/4NkB1/nbp3p1/r3p3/2r3B1/1Q6 w - - 0 1)

King-Farlow, Charles P

The Guardian, 1961

8/2n1R2N/2Kp2p1/4NkB1/nbp3p1/r3p3/2r3B1/1Q6

#2

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxc2#
    • 1...Bd2
      • 2.Qf1#
    • 1...Bc3
      • 2.Qxc2#
    • 1...c3
      • 2.Qxc2#
  • Tries
    • 1.Sf3?
      • threat
        • 2.Sd4#
        • 2.Sh4#
      • 1...gxf3
        • 2.Bh3#
      • 1...g3
        • 2.Bh3#
      • 1...Rd3
        • 2.Sh4#
      • 1...Be1
        • 2.Sd4#
      • 1...Bc3
        • 2.Sh4#
        • 2.Qxc2#
      • 1...Bc5
        • 2.Sh4#
      • 1...Sb5
        • 2.Sh4#
      • 1...Se6!
    • 1.Sf7?
      • threat
        • 2.Sh6#
        • 2.Be4#
      • 1...g3
        • 2.Sh6#
        • 2.Bh3#
      • 1...Sc3
        • 2.Sh6#
      • 1...Sc5
        • 2.Sxd6#
        • 2.Sh6#
      • 1...d5
        • 2.Sh6#
        • 2.Re5#
      • 1...Se6!
  • Keys
    • 1.Sxc4!
      • threat
        • 2.Be4#
      • 1...g3
        • 2.Bh3#
      • 1...Sc3
        • 2.Sxe3#
      • 1...Sc5
        • 2.Sxd6#
      • 1...Se6
        • 2.Rf7#
      • 1...d5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • R(b);N_GUARD::QAB(A),XR(a)
    • B(e);::QAR(A)
    • B(e);S_CUTR(b)::QAB(A),XR(a)
    • P(f);S_CUTR(b)::QAB(A),XR(a)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(g);OGATEB,XS(C)::B(B)
        • P(g);OGATEB::B(B)
        • R(b);N_SPINR(a)::S(C)
        • B(e);::S(C)
        • S(k);::S(C)
      • Refutation
        • S(k);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);::S(C)
      • Refutation
        • S(k);
  • Actual
    • S(C);P_SPINS(C),XP(f)
    • Threat
      • B(B)
    • Vars
      • P(g);OGATEB::B(B)
      • S(d);N_PINS(C)::S(C),XP(c)
      • S(d);N_PINS(C)::S(C),XP(i)
      • S(k);SBLOCK::R(F)
      • P(i);N_GUARD::R1(F)
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Developed and maintained by Brian Stephenson.
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