MESON Chess Problem Database

Problem Display
PID: 109057 (8/bqr5/1Q6/5bN1/8/2pk4/B2PN2R/R3K1B1 w Q - 0 1)

Dyachuk, Vasyl Vasilovich

Sachove umeni (Ceskoslovensky sach), 1999

8/bqr5/1Q6/5bN1/8/2pk4/B2PN2R/R3K1B1

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc2
      • 2.Bb1#
    • 1...c2
      • 2.Sc1#
      • 2.Sf4#
  • Tries
    • 1.Qb1+?
      • 1...c2
        • 2.Sc1#
        • 2.Sf4#
      • 1...Qxb1+!
    • 1.0-0-0?
      • threat
        • 2.Sf4#
        • 2.dxc3#
      • 1...Qg2
        • 2.Sf4#
      • 1...Qf3
        • 2.dxc3#
      • 1...Qe4
        • 2.dxc3#
      • 1...Rc4
        • 2.dxc3#
      • 1...c2
        • 2.Sf4#
      • 1...cxd2+!
  • Keys
    • 1.dxc3!
      • threat
        • 2.0-0-0#
      • 1...Kc2
        • 2.Bb1#
      • 1...Rxc3
        • 2.Sf4#
      • 1...Qg2
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(D)
  • Tries
    • Try
      • Q(I);CHECK
      • Refutation
        • Q(e);CHECK,XQ(I)
    • Try
      • K(B);0-0-0
      • Threat
        • DUALS(2)
      • Vars
        • Q(e);::S(F)
        • Q(e);::R(A)+P(E),XP(a)
        • R(f);::R(A)+P(E),XP(a)
        • P(a);::S(F)
      • Refutation
        • P(a);CHECK,P_SPINP(a),XP(E)
  • Actual
    • P(E);XP(a)
    • Threat
      • 0-0-0
    • Vars
      • K(b);S_FLIGHT::B(D)
      • R(f);SBLOCK,XP(E)::S(F)
      • Q(e);N_GUARD::QAB(I)
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