MESON Chess Problem Database

Problem Display
PID: 268770 (5Nb1/b4p2/1p3p2/1Q2nk2/3K1p1P/3P4/B3N3/6R1 w - - 0 1)

Makaronets, Leonid

Problemas, 2020

5Nb1/b4p2/1p3p2/1Q2nk2/3K1p1P/3P4/B3N3/6R1

#2

8 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Kd5?
      • threat
        • 2.Sd4#
      • 1...Sf3
        • 2.Qd7#
      • 1...Sc6
        • 2.Kxc6#
      • 1...f3!
    • 1.Bxf7?
      • threat
        • 2.Bg6#
      • 1...Bh7
        • 2.Be6#
      • 1...Bxf7!
    • 1.Rg4?
      • threat
        • 2.Rxf4#
      • 1...f3
        • 2.Rf4#
      • 1...Kxg4!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Be4#
      • 1...Sf3+
        • 2.Bxf3#
      • 1...Sc6+
        • 2.Bxc6#

This is after

After B. Colaneri.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);N_PINS(b),P-FLIGHT
      • Threat
        • S(C)
      • Vars
        • S(b);N_GUARD::QAB(G)
        • S(b);::QAR(G)+K(E),XS(b)
      • Refutation
        • P(a);
    • Try
      • B(B);XP(g)
      • Threat
        • B(B)
      • Vars
        • B(h);N_GUARD::B(B)
      • Refutation
        • B(h);XB(B)
    • Try
      • R(A);
      • Threat
        • R1(A),XP(a)
      • Vars
        • P(a);::R1(A)
      • Refutation
        • K(c);N_SPINS(b),S_FLIGHT,XR(A)
  • Actual
    • B(B);N_PINS(b)
    • Threat
      • B(B)
    • Vars
      • S(b);CHECK,OGATEB::QAR(G)+B(B),XS(b)
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