MESON Chess Problem Database

Problem Display
PID: 264942 (5K2/2p2Q2/2N5/4N3/4kP1P/1P1pp2R/3p2r1/5rqB w - - 0 1)

Tkachenko, Sergiy Ivanovich

The Problemist, 2022

5K2/2p2Q2/2N5/4N3/4kP1P/1P1pp2R/3p2r1/5rqB

#2

9 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Sc5#
      • 1...Kxd3
        • 2.Qc4#
      • 1...e2
        • 2.Qe6#
      • 1...Rc1!
    • 1.Bxg2+?
      • 1...Rf3
        • 2.Bxf3#
      • 1...Qxg2!
    • 1.Qg6+?
      • 1...Kxf4
        • 2.Sxd3#
      • 1...Kd5!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Sg6#
      • 1...Rxf4+
        • 2.Sf7#
      • 1...Kxf4
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(e)
      • Threat
        • S(F)
      • Vars
        • K(g);N_GUARD,N_SPINR(d),P_SPINP(f),S_FLIGHT,XS(F)::QAB1(H)
        • P(f);::QAR2(H)
      • Refutation
        • R(a);
    • Try
      • B(A);CHECK,XR(d)
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
      • Refutation
        • Q(b);XB(A)
    • Try
      • Q(H);CHECK,P_SPINP(D)
      • Vars
        • K(g);N_GUARD,N_SPINR(d),P-FLIGHT,XP(D)::S(F),XP(e)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • Q(H);P_SPINP(D)
    • Threat
      • QAR(H)+S(F)
    • Vars
      • R(a);CHECK,SBLOCK,XP(D)::QAR(H)+S(F)
      • K(g);N_GUARD,N_SPINR(d),P-FLIGHT,XP(D)::S(F),XP(e)
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