MESON Chess Problem Database

Problem Display
PID: 120677 (8/B3KB2/1n3R2/bnkN4/4R3/p3r3/P1N1PQ2/8 w - - 0 1)

Morse, Christopher Jeremy

Time & Tide, 1960

8/B3KB2/1n3R2/bnkN4/4R3/p3r3/P1N1PQ2/8

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Bxb6#
    • 1...Bd2
      • 2.Bxb6#
    • 1...Bc3
      • 2.Bxb6#
    • 1...Bb4
      • 2.Bxb6#
  • Keys
    • 1.Re5!
      • threat
        • 2.Sc3#
        • 2.Sdxe3#
        • 2.Sdb4#
        • 2.Sf4#
        • 2.Sxb6#
        • 2.Sc7#
      • 1...Kc4
        • 2.Rc6#
      • 1...Sxa7
        • 2.Sxb6#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.Sdxe3#
      • 1...Sd6
        • 2.Sdb4#
      • 1...Sc7
        • 2.Sxc7#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Bb4
        • 2.Sc3#
        • 2.Sdxe3#
        • 2.Sdxb4#
        • 2.Sf4#
        • 2.Sxb6#
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • B(c);N_GUARD::B(H),XS(f)
  • Actual
    • R(E);
    • Threat
      • DUALS(6)
    • Vars
      • K(e);N_SPINR(b),N_SPINS(f),P-FLIGHT::R(G)
      • S(d);N_SPINS(f),XB(H)::R(E)+S(F),XS(f)
      • S(d);::R(E)+S(F),XS(d)
      • S(d);N_SPINR(b)::R(E)+S(F),XR(b)
      • S(d);::R(E)+S(F)
      • B(c);::R(E)+S(F),XB(c)
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