MESON Chess Problem Database

Problem Display
PID: 42771 (7Q/P5K1/N1B5/1p2n3/n1pk4/Nr3P2/2PP1p2/8 w - - 0 1)

Dyachuk, Vasyl Vasilovich

2nd Prize, Wola Gulowska, 2001

7Q/P5K1/N1B5/1p2n3/n1pk4/Nr3P2/2PP1p2/8

#2

9 + 7

15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxb5#
    • 1...Rd3
      • 2.Sxb5#
    • 1...Re3
      • 2.Sxb5#
    • 1...Rxf3
      • 2.Sxb5#
    • 1...Sg6
      • 2.Kxg6#
    • 1...Sf7
      • 2.Kxf7#
    • 1...b4
      • 2.Sb5#
  • Tries
    • 1.Qh2?
      • threat
        • 2.Qf4#
      • 1...Rxf3
        • 2.Sxb5#
      • 1...Sxc6
        • 2.Qd6#
      • 1...Re3
        • 2.Sxb5#
      • 1...Sc3
        • 2.Qxf2#
      • 1...Sd3
        • 2.Qd6#
      • 1...Sg6
        • 2.Qd6#
      • 1...Sc5!
    • 1.Qh6?
      • threat
        • 2.Qf4#
        • 2.Qd6#
      • 1...Rxf3
        • 2.Sxb5#
        • 2.Qd6#
      • 1...Sxc6
        • 2.Qd6#
      • 1...Sd3
        • 2.Qe3#
        • 2.Qd6#
      • 1...Sf7
        • 2.Qf4#
      • 1...Re3
        • 2.Sxb5#
        • 2.Qxe3#
        • 2.Qd6#
      • 1...Sc3
        • 2.Qe3#
      • 1...Sc5
        • 2.Qd6#
      • 1...Sb6
        • 2.Qf4#
      • 1...Sg6!
    • 1.Qf8?
      • threat
        • 2.Qd6#
        • 2.Qf4#
      • 1...Rxf3
        • 2.Sxb5#
        • 2.Qd6#
      • 1...Sxc6
        • 2.Qd6#
      • 1...Sd3
        • 2.Qd6#
      • 1...Sg6
        • 2.Qd6#
      • 1...Re3
        • 2.Sxb5#
        • 2.Qd6#
      • 1...Sc3
        • 2.Qc5#
      • 1...Sc5
        • 2.Qxc5#
        • 2.Qd6#
      • 1...Sb6
        • 2.Qc5#
        • 2.Qf4#
      • 1...Sf7!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qd6#
      • 1...Sc3
        • 2.Qb6#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Sf7
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::S(C),XP(f)
    • R(b);N_GUARD,XP(D)::S(C),XP(f)
    • S(g);::QAB(I)+K(H),XS(g)
    • P(f);S_CUTR(b)::S(C)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAR2(I)
      • Vars
        • R(b);N_GUARD,XP(D)::S(C),XP(f)
        • S(g);OGATE,XB(F)::QAR2(I)
        • R(b);N_GUARD::S(C),XP(f)
        • S(c);S_CUTR(b)::QAB(I),XP(a)
        • S(g);OGATE::QAR2(I)
      • Refutation
        • S(c);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XB(F)::QAR2(I)
        • S(g);::QAR2(I)
        • S(c);S_CUTR(b)::QAB1(I)
        • S(c);::QAR2(I)
      • Refutation
        • S(g);
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(g);XB(F)::QAR2(I)
        • S(g);::QAR2(I)
        • S(c);N_GUARD::QAB1(I)
      • Refutation
        • S(g);
  • Actual
    • Q(I);
    • Threat
      • QAR2(I)
    • Vars
      • S(c);N_GUARD::QAB(I)
      • S(c);N_GUARD::QAB(I),XS(c)
      • S(g);OGATE::QAR2(I)
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