MESON Chess Problem Database

Problem Display
PID: 265305 (6Q1/1KpN2p1/nRppn3/1NpkP3/8/5P2/1B2B3/8 w - - 0 1)

Chandrasekaran, KR

The Problemist, 1994

6Q1/1KpN2p1/nRppn3/1NpkP3/8/5P2/1B2B3/8

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Sxc7#
    • 1...Sb8
      • 2.Sxc7#
    • 1...cxb6
      • 2.Sxb6#
    • 1...g5
      • 2.Sf6#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Sa3?
      • threat
        • 2.Bc4#
      • 1...c4
        • 2.Bxc4#
      • 1...dxe5!
    • 1.Sxd6?
      • threat
        • 2.Bc4#
      • 1...c4
        • 2.Bxc4#
      • 1...cxd6!
  • Keys
    • 1.Rxc6!
      • 1...dxe5
        • 2.Qxe6#
      • 1...Sb4
        • 2.Sxc7#
      • 1...Sb8
        • 2.Sxc7#
      • 1...c4
        • 2.Bxc4#
      • 1...g5
        • 2.Sf6#
      • 1...g6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • S(c);N_GUARD::S(D),XP(g)
    • P(g);XR(F)::S(H),XP(g)
    • P(h);N_GUARD::S(H)
  • Tries
    • Try
      • S(D);
      • Threat
        • B(B)
      • Vars
        • P(a);::B(B),XP(a)
      • Refutation
        • P(e);XP(E)
    • Try
      • S(D);XP(e)
      • Threat
        • B(B)
      • Vars
        • P(a);::B(B),XP(a)
      • Refutation
        • P(g);XS(D)
  • Actual
    • R(F);XP(d)
    • Vars
      • P(e);XP(E)::QAB1(I),XS(f)
      • S(c);N_GUARD::S(D),XP(g)
      • P(a);::B(B),XP(a)
      • P(h);N_GUARD::S(H)
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Developed and maintained by Brian Stephenson.
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