MESON Chess Problem Database

Problem Display
PID: 68215 (1nN5/4pKB1/2p1RN2/2kB4/P2pp1p1/P1p3r1/5n2/1bR2rQ1 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1949

1nN5/4pKB1/2p1RN2/2kB4/P2pp1p1/P1p3r1/5n2/1bR2rQ1

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Rxc3#
    • 1...Sa6
      • 2.Rxc6#
    • 1...Sd7
      • 2.Rxc6#
  • Tries
    • 1.Sd7+?
      • 1...Kxd5
        • 2.Scb6#
      • 1...Sxd7!
    • 1.Ba2?
      • threat
        • 2.Re5#
      • 1...exf6
        • 2.Bf8#
      • 1...d3
        • 2.Sxe4#
      • 1...Sd3
        • 2.Rxc3#
      • 1...Sd7
        • 2.Sxd7#
      • 1...Bxa2!
  • Keys
    • 1.Bb3!
      • threat
        • 2.Re5#
      • 1...exf6
        • 2.Bf8#
      • 1...d3
        • 2.Sxe4#
      • 1...Sd3
        • 2.Rxc3#
      • 1...Sd7
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(c);P_PINS(G),S_CUTP(f),S_CUTR(e)::R(A),XP(d)
    • S(l);N_GUARD::R1(F),XP(j)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(i);N_SPINP(d),P-FLIGHT,XB(E)::S(J)
      • Refutation
        • S(l);XS(G)
    • Try
      • B(E);
      • Threat
        • R(F)
      • Vars
        • P(k);OGATEB,XS(G)::B(I)
        • P(f);P_SPINS(c),S_CUTB(a)::S(G),XP(g)
        • S(c);P_PINS(G),S_CUTP(f),S_CUTR(e)::R(A),XP(d)
        • S(l);N_GUARD::S(G),XS(l)
      • Refutation
        • B(a);P_PINR(F),XB(E)
  • Actual
    • B(E);
    • Threat
      • R(F)
    • Vars
      • P(k);OGATEB,XS(G)::B(I)
      • P(f);P_SPINS(c),S_CUTB(a)::S(G),XP(g)
      • S(c);P_PINS(G),S_CUTP(f),S_CUTR(e)::R(A),XP(d)
      • S(l);N_GUARD::S(G),XS(l)
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