MESON Chess Problem Database

Problem Display
PID: 47465 (KR3Nn1/3BPp2/5b2/1pPkp3/8/2Q1P2R/8/7b w - - 0 1)

Storozhenko, Ivan Ivanovich

1st Prize, Sushkov-60 JT (Zadachi i Etyudy), 1999

KR3Nn1/3BPp2/5b2/1pPkp3/8/2Q1P2R/8/7b

#2

9 + 7

35 L'Italia Scacchistica 2000
23 Die Schwalbe 2003
56 The Problemist 2003

SOLUTION

  • SOUND
  • Tries
    • 1.Be6+?
      • 1...Ke4
        • 2.Qc2#
      • 1...Kc6
        • 2.Rc8#
      • 1...fxe6!
    • 1.Rh5?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Bc6#
      • 1...Bg5!
    • 1.Rxb5?
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Qc4#
      • 1...Be4
        • 2.Qb3#
      • 1...e4!
    • 1.Rc8?
      • threat
        • 2.Bc6#
        • 2.Qd3#
      • 1...Sxe7
        • 2.Qd3#
      • 1...Be4
        • 2.Bc6#
        • 2.Qb3#
      • 1...e4
        • 2.Bc6#
      • 1...Ke4!
    • 1.e8Q?
      • threat
        • 2.Bc6#
      • 1...Ke4
        • 2.Qd4#
      • 1...Se7!
  • Keys
    • 1.Bxb5!
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...e4
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(A)
        • K(c);S_FLIGHT::R(H)
      • Refutation
        • P(f);XB(E)
    • Try
      • R(C);P_PINP(d)
      • Threat
        • QAR1(A)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT::B(E)
      • Refutation
        • B(e);N_SPINP(d)
    • Try
      • R(H);XP(b)
      • Threat
        • QAR2(A)
      • Vars
        • K(c);S_FLIGHT::QAR2(A)
        • B(a);SBLOCK::QAB(A)
      • Refutation
        • P(d);
    • Try
      • R(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XP(F)::QAR2(A)
        • P(d);SBLOCK::B(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • P(F);
      • Threat
        • B(E)
      • Vars
        • K(c);P_SPINP(d),S_FLIGHT::QAR1(A)
      • Refutation
        • S(g);
  • Actual
    • B(E);XP(b)
    • Threat
      • QAB1(A)
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • P(d);SBLOCK::R(H)
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