MESON Chess Problem Database

Problem Display
PID: 152779 (3Qn3/8/b6p/K1R1P3/8/1P2kPP1/nP6/1B3RN1 w - - 0 1)

Dyachuk, Vasyl Vasilovich

4th Prize, Chervoni Girnik-80 JT, 2004

3Qn3/8/b6p/K1R1P3/8/1P2kPP1/nP6/1B3RN1

#2

11 + 5

15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bb7
      • 2.Qd3#
    • 1...Bc8
      • 2.Qd3#
  • Tries
    • 1.Re1+?
      • 1...Be2
        • 2.Rxe2#
      • 1...Kf2!
    • 1.Rc2?
      • threat
        • 2.Qd2#
      • 1...Bd3
        • 2.Qb6#
      • 1...Sd6!
    • 1.Rc3+?
      • 1...Bd3
        • 2.Rxd3#
        • 2.Qxd3#
      • 1...Sxc3!
    • 1.Rd5?
      • threat
        • 2.Qb6#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Sc7!
    • 1.Qh4?
      • threat
        • 2.Qf4#
      • 1...Kd2
        • 2.Qf4#
        • 2.Qxh6#
      • 1...Bxf1!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Rd5#
      • 1...Kd2
        • 2.Qxh6#
      • 1...Kd4
        • 2.Rb5#
      • 1...Bd3
        • 2.Rc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::QAR1(K),XB(c)
    • B(c);N_GUARD::QAR1(K)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R1(B),XB(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(I);
      • Threat
        • QAB1(K)
      • Vars
        • B(c);SBLOCK::QAB(K)
      • Refutation
        • S(e);
    • Try
      • R(I);CHECK
      • Refutation
        • S(a);XR(I)
    • Try
      • R(I);
      • Threat
        • QAB(K)
      • Vars
        • B(c);N_GUARD::R1(I),XB(c)
      • Refutation
        • S(e);
    • Try
      • Q(K);
      • Threat
        • QAB1(K)
      • Refutation
        • B(c);XR(B)
  • Actual
    • Q(K);
    • Threat
      • QAB(K)+R(I)
    • Vars
      • K(b);S_FLIGHT::QAB(K),XP(d)
      • K(b);S_FLIGHT::QAB(K)+R(I)
      • B(c);SBLOCK::QAB(K)+R(I)
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