MESON Chess Problem Database

Problem Display
PID: 215656 (2r5/8/5pP1/p2N4/KpkBBQR1/3N3r/2n3P1/8 w - - 0 1)

Tkachenko, Sergiy Ivanovich

Sachova skladba, 2005

2r5/8/5pP1/p2N4/KpkBBQR1/3N3r/2n3P1/8

#2

9 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6?
      • threat
        • 2.Sb6#
      • 1...Kxd4
        • 2.Bf5#
      • 1...Sxd4
        • 2.Sb2#
      • 1...Rb8
        • 2.Qc5#
      • 1...Rc6!
    • 1.Qxf6?
      • threat
        • 2.Sb2#
        • 2.Sb6#
      • 1...Rxd3
        • 2.Sb6#
      • 1...Rc6
        • 2.Sb2#
      • 1...Rb8
        • 2.Sb2#
      • 1...Sxd4!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Sb2#
      • 1...Kxd4
        • 2.Bf3#
      • 1...Rxd3
        • 2.Qxd3#
      • 1...Sxd4
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Threat
        • S(H)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XB(D)::R(G)+B(E)
        • S(a);SBLOCK,XB(D)::S(B)
        • R(g);N_GUARD::QAR1(F)
      • Refutation
        • R(g);
    • Try
      • Q(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XS(B)::S(H)
        • R(g);::S(B)
      • Refutation
        • S(a);XB(D)
  • Actual
    • Q(F);
    • Threat
      • S(B)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XB(D)::R(G)+B(E)
      • R(b);OGATE,XS(B)::QAB1(F),XR(b)
      • S(a);SBLOCK,XB(D)::S(H)
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