MESON Chess Problem Database

Problem Display
PID: 245950 (K6n/4b3/8/4N2p/2P1k3/6R1/p4R2/Qb6 w - - 0 1)

Kopyl, Valery Volodimirovich

Problemist Ukraini, 2019

K6n/4b3/8/4N2p/2P1k3/6R1/p4R2/Qb6

#2

6 + 6

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • threat
        • 2.Re3#
        • 2.Qe5#
      • 1...Bc5
        • 2.Sf6#
        • 2.Qe5#
      • 1...Bg5
        • 2.Qe5#
      • 1...Bd6
        • 2.Sf6#
        • 2.Re3#
      • 1...Bf6
        • 2.Sxf6#
        • 2.Re3#
      • 1...Sg6
        • 2.Re3#
      • 1...Sf7
        • 2.Re3#
      • 1...hxg4!
    • 1.Sc6?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Bc5
        • 2.Qe5#
      • 1...Bd6
        • 2.Qd4#
      • 1...Sg6
        • 2.Qd4#
      • 1...Sf7
        • 2.Qd4#
      • 1...Bf6!
    • 1.Rg4+?
      • 1...Ke3
        • 2.Qd4#
      • 1...hxg4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sd2#
      • 1...Kd3
        • 2.Qd4#
      • 1...Ke3
        • 2.Qd4#
      • 1...Kf4
        • 2.Qe5#
      • 1...Kf5
        • 2.Qe5#
      • 1...Bb4
        • 2.Sg5#
      • 1...Bg5
        • 2.Sxg5#

Anticipated by 177851(1983)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);::QAR1(A)
        • S(f);::R1(C)
      • Refutation
        • P(d);XS(E)
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);::QAR1(A)
        • S(f);::QAR1(A)
      • Refutation
        • B(e);
    • Try
      • R(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(A)
      • Refutation
        • P(d);XR(C)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(c);S_FLIGHT::QAR1(A)
      • K(c);P-FLIGHT::QAB1(A)
      • B(e);N_GUARD::S(E)
      • B(e);N_GUARD::S(E),XB(e)
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