MESON Chess Problem Database

Problem Display
PID: 55226 (5R2/2r2B2/3r4/6N1/7B/Rp2k3/2PpN3/3Kb3 w - - 0 1)

Sumny, Milan

idee & form, 1991

5R2/2r2B2/3r4/6N1/7B/Rp2k3/2PpN3/3Kb3

#2

8 + 6

5454 Near Snap 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Rf3#
      • 1...Rf6
        • 2.Rxb3#
      • 1...Rf7!
    • 1.Bd5?
      • threat
        • 2.Rf3#
      • 1...Rf7
        • 2.Rxb3#
      • 1...Rf6!
    • 1.Rxb3+?
      • 1...Rd3
        • 2.Rxd3#
      • 1...Rc3!
    • 1.Re8+?
      • 1...Re6
        • 2.Rxe6#
      • 1...Re7!
  • Keys
    • 1.Bxb3!
      • threat
        • 2.Rf3#
      • 1...Rf6
        • 2.Bc4#
      • 1...Rf7
        • 2.Bd5#

Anticipated by 84895(1988-1989)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Threat
        • R1(H)
      • Vars
        • R(e);N_GUARD::R(D),XP(c)
      • Refutation
        • R(f);
    • Try
      • B(G);
      • Threat
        • R1(H)
      • Vars
        • R(f);N_GUARD::R(D),XP(c)
      • Refutation
        • R(e);
    • Try
      • R(D);CHECK,XP(c)
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::R1(D),XR(e)
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • R(H);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::R(H),XR(e)
      • Refutation
        • R(f);P_SPINR(f)
  • Actual
    • B(G);XP(c)
    • Threat
      • R1(H)
    • Vars
      • R(e);N_GUARD::R(D)+B(G)
      • R(f);N_GUARD::R(D)+B(G)
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