MESON Chess Problem Database

Problem Display
PID: 51638 (2RK1B2/1p5p/qrP1P2r/3k2N1/Pp4P1/3p1p2/3N2B1/Q6b w - - 0 1)

Storozhenko, Ivan Ivanovich

1st Prize, Shakhmatnaya kompozitsiya, 2002

2RK1B2/1p5p/qrP1P2r/3k2N1/Pp4P1/3p1p2/3N2B1/Q6b

#2

11 + 10

56 The Problemist 2003
145 StrateGems 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Sgxf3?
      • threat
        • 2.Qe5#
      • 1...Kxe6
        • 2.Sg5#
      • 1...Rxe6
        • 2.Qd4#
      • 1...Rh5!
    • 1.Bc5?
      • threat
        • 2.Qd4#
      • 1...Kxc5
        • 2.Qe5#
      • 1...Qc4!
    • 1.Bd6?
      • threat
        • 2.Qe5#
      • 1...Kxd6
        • 2.Qd4#
      • 1...Rxe6!
    • 1.Bg7?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd4#
        • 2.Qe5#
      • 1...Rxe6
        • 2.Qd4#
      • 1...Qc4
        • 2.Qe5#
      • 1...Rf6!
  • Keys
    • 1.Sdxf3!
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Sd2#
      • 1...Qc4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);XP(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(e);S_FLIGHT,XP(H)::S(F)
        • R(h);SBLOCK,XP(H)::QAR1(A)
      • Refutation
        • R(h);
    • Try
      • B(K);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);N_SPINP(c),P-FLIGHT,XB(K)::QAR2(A)
      • Refutation
        • Q(f);
    • Try
      • B(K);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);N_SPINP(c),P-FLIGHT,XB(K)::QAR2(A)
      • Refutation
        • R(h);XP(H)
    • Try
      • B(K);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);XP(H)::QAR1(A)
        • Q(f);::QAR1(A)
      • Refutation
        • R(h);
  • Actual
    • S(B);XP(c)
    • Threat
      • QAR1(A)
    • Vars
      • K(e);S_FLIGHT::S(B)
      • Q(f);SBLOCK::QAR1(A)
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