MESON Chess Problem Database

Problem Display
PID: 257746 (4b3/5B2/1N1PN1n1/K1pP3R/4k3/8/3PPb2/5R2 w - - 0 1)

Ouellet, Charles

Zamanov, Vidadi

The Problemist Supplement, 2021

4b3/5B2/1N1PN1n1/K1pP3R/4k3/8/3PPb2/5R2

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.d3#
    • 1...Ba4
      • 2.Bxg6#
    • 1...Bb5
      • 2.Bxg6#
    • 1...Bc6
      • 2.Bxg6#
    • 1...Bd7
      • 2.Bxg6#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Sc3#
      • 1...Bxa4
        • 2.Bxg6#
      • 1...Bd4!
    • 1.Sc4?
      • threat
        • 2.d3#
      • 1...Se5
        • 2.Rxe5#
      • 1...Sf4
        • 2.Re5#
      • 1...Be1!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sf6#
      • 1...Bxd7
        • 2.Bxg6#
      • 1...Bd4
        • 2.Sg5#
      • 1...Bh4
        • 2.Sdxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(a);SBLOCK::P(B)
    • B(e);N_GUARD::B(J),XS(d)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • B(e);N_GUARD,XS(G)::B(J),XS(d)
      • Refutation
        • B(a);
    • Try
      • S(G);
      • Threat
        • P(B)
      • Vars
        • S(d);N_GUARD::R1(F),XS(d)
        • S(d);N_GUARD::R1(F)
      • Refutation
        • B(a);P_PINP(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(e);N_GUARD,XS(G)::B(J),XS(d)
      • B(a);SBLOCK::S(I)
      • B(a);N_GUARD::S(G),XP(c)
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