MESON Chess Problem Database

Problem Display
PID: 38300 (8/3p3B/p4n2/R2pQ1Bn/2P1b2K/8/1N5p/Nk4bR w - - 0 1)

Dyachuk, Vasyl Vasilovich

1/2 Prize, Wola Gulowska, 1994

8/3p3B/p4n2/R2pQ1Bn/2P1b2K/8/1N5p/Nk4bR

#2

9 + 9

15345 Wola Gulowska Award 1994
15345 Wola Gulowska Award 1997
3681 FIDE Album (1992-1994) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Bc2
      • 2.Bxc2#
    • 1...Bd3
      • 2.Bxd3#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Qb2#
      • 1...Bf2+
        • 2.Sxf2#
      • 1...d4
        • 2.Qb8#
      • 1...Bd4!
    • 1.Sd3?
      • threat
        • 2.Qb2#
        • 2.Qb8#
      • 1...Bxh1
        • 2.Qb2#
        • 2.Qe1#
      • 1...Bxd3
        • 2.Bxd3#
        • 2.Qb8#
      • 1...dxc4
        • 2.Qb2#
      • 1...d6
        • 2.Qb2#
      • 1...d4!
    • 1.Sa4?
      • threat
        • 2.Qb2#
      • 1...Ka2
        • 2.Qb2#
      • 1...d4!
    • 1.Qxh2?
      • threat
        • 2.Rxg1#
      • 1...Bc2
        • 2.Qxc2#
      • 1...Sg3!
    • 1.Qc3?
      • threat
        • 2.Qc1#
      • 1...Bc2
        • 2.Bxc2#
        • 2.Qxc2#
      • 1...Sf4!
    • 1.Qf4?
      • threat
        • 2.Qc1#
      • 1...Kxb2
        • 2.Qc1#
      • 1...Sxf4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sd3#
      • 1...dxc4
        • 2.Sxc4#
      • 1...Bc2
        • 2.Bxc2#
      • 1...Bd3
        • 2.Sxd3#
        • 2.Bxd3#
      • 1...d4
        • 2.Sd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(d);OGATE::B(I),XB(d)
  • Tries
    • Try
      • S(C);N_PINB(b),P_PINB(d)
      • Threat
        • QAR1(G)
      • Vars
        • B(b);CHECK::R(B)+S(C),XB(b)
        • P(e);S_CUTB(b)::QAB(G)
      • Refutation
        • B(b);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);XP(D)::QAR1(G)
        • P(i);::QAR1(G)
      • Refutation
        • P(e);
    • Try
      • S(C);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);N_SPINB(b),S_FLIGHT::QAR1(G)
      • Refutation
        • P(e);
    • Try
      • Q(G);XP(c)
      • Threat
        • R(B),XB(b)
      • Vars
        • B(d);N_GUARD::QAB1(G),XB(d)
      • Refutation
        • S(f);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Refutation
        • S(f);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT,XS(C)::QAB1(G)
      • Refutation
        • S(f);XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAR(G)+S(C)
    • Vars
      • P(e);XP(D)::QAR(G)+S(C),XP(e)
      • B(d);OGATE::B(I),XB(d)
      • P(e);::QAR(G)+S(C)
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