MESON Chess Problem Database

Problem Display
PID: 64958 (1B6/3B3K/3Rp3/3P3p/4k2N/1P4Q1/1N6/r2r4 w - - 0 1)

Chepizhni, Viktor Ivanovich

1st Prize=, Moscow Ty., 2004

1B6/3B3K/3Rp3/3P3p/4k2N/1P4Q1/1N6/r2r4

#2

9 + 5

145 StrateGems 2006
56 The Problemist 2006
6167 Viktor Chepizhny 2007
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd1?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Rxd1!
    • 1.Sc4?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Rd3
        • 2.Qe5#
      • 1...Re1!
    • 1.Sg2?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf5
        • 2.Qf4#
      • 1...e5
        • 2.Qe3#
      • 1...Rf1!
    • 1.Ra6?
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Rxd5
        • 2.Qf4#
      • 1...e5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Rb6?
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Rxd5
        • 2.Qf4#
      • 1...e5
        • 2.Qxe5#
      • 1...Kd4!
    • 1.Rxe6+?
      • 1...Kxd5
        • 2.Qe5#
        • 2.Qd6#
      • 1...Kd4!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Qe5#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qe5#
      • 1...Rxd5
        • 2.Qf4#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);XR(b)
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
      • Refutation
        • R(a);XS(A)
    • Try
      • S(A);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
        • R(b);SBLOCK::QAR1(C)
      • Refutation
        • R(b);
    • Try
      • S(D);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAB1(C)
        • K(c);P_SPINP(e),S_FLIGHT::QAR1(C)
        • P(e);SBLOCK::QAR1(C)
      • Refutation
        • R(b);
    • Try
      • R(F);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);S_FLIGHT,XP(E)::QAR1(C)
        • R(b);SBLOCK,XP(E)::QAR1(C)
        • P(e);::QAR1(C),XP(e)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(F);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);S_FLIGHT,XP(E)::QAR1(C)
        • R(b);SBLOCK,XP(E)::QAR1(C)
        • P(e);::QAR1(C),XP(e)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(F);CHECK,XP(e)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • R(F);
    • Threat
      • QAR1(C)
    • Vars
      • K(c);P-FLIGHT::QAB1(C)
      • K(c);S_FLIGHT,XP(E)::QAR1(C)
      • R(b);SBLOCK,XP(E)::QAR1(C)
      • P(e);::QAR1(C),XP(e)
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