MESON Chess Problem Database

Problem Display
PID: 106089 (8/1p1p4/bPkp4/P1p2Qp1/P1p3p1/KN1N1rp1/6B1/1RR5 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Gavriliv, Evgeni M

Slovensky Dennik, 1993

8/1p1p4/bPkp4/P1p2Qp1/P1p3p1/KN1N1rp1/6B1/1RR5

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...cxb3
      • 2.Sb4#
    • 1...cxd3
      • 2.Sd4#
  • Tries
    • 1.Sf4?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...gxf4!
    • 1.Sdxc5?
      • 1...cxb3
        • 2.Sxa6#
      • 1...dxc5
        • 2.Qxc5#
      • 1...d5
        • 2.Qxd7#
      • 1...c3
        • 2.Sd4#
      • 1...Bb5!
    • 1.Se5+?
      • 1...Kd5
        • 2.Rd1#
      • 1...dxe5!
    • 1.Bxf3+?
      • 1...d5
        • 2.Qxd5#
      • 1...gxf3!
    • 1.Qe6?
      • threat
        • 2.Se5#
      • 1...cxd3
        • 2.Sd4#
        • 2.Rxc5#
      • 1...dxe6!
    • 1.Qxf3+?
      • 1...d5
        • 2.Qxd5#
      • 1...gxf3!
  • Keys
    • 1.Sbxc5!
      • 1...cxd3
        • 2.Sxa6#
      • 1...dxc5
        • 2.Qxc5#
      • 1...d5
        • 2.Qxd7#
      • 1...Bb5
        • 2.axb5#
      • 1...c3
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(c);P_SPINP(e),XS(E)::S(F)
    • P(c);P_SPINP(e),XS(F)::S(E)
  • Tries
    • Try
      • S(F);P_SPINS(E)
      • Threat
        • QAB1(I)
      • Vars
        • P(i);N_SPINR(a)::QAB1(I),XP(i)
      • Refutation
        • P(f);XS(F)
    • Try
      • S(F);P_SPINS(E),XP(e)
      • Vars
        • P(c);XS(E)::R(B)+S(F),XB(g)
        • P(i);OGATE,XS(F)::QAR1(I),XP(i)
        • P(i);N_SPINR(a)::QAB1(I),XP(k)
        • P(c);N_PINS(E)::S(E)
      • Refutation
        • B(g);
    • Try
      • S(F);CHECK,P_SPINS(E)
      • Vars
        • K(h);S_FLIGHT::R(B)
      • Refutation
        • P(i);XS(F)
    • Try
      • B(C);CHECK,XR(a)
      • Vars
        • P(i);P_SPINP(i)::QAB1(I),XP(i)
      • Refutation
        • P(d);XB(C)
    • Try
      • Q(I);P_PINP(i)
      • Threat
        • S(F)
      • Refutation
        • P(k);N_SPINP(i),XQ(I)
    • Try
      • Q(I);CHECK,XR(a)
      • Vars
        • P(i);P_SPINP(i)::QAB1(I),XP(i)
      • Refutation
        • P(d);P_SPINP(d),XQ(I)
  • Actual
    • S(E);P_SPINS(F),XP(e)
    • Vars
      • P(c);XS(F)::R(B)+S(E),XB(g)
      • P(i);OGATE,XS(E)::QAR1(I),XP(i)
      • P(i);N_SPINR(a)::QAB1(I),XP(k)
      • B(g);OGATE::P(G),XB(g)
      • P(c);N_PINS(F)::S(F)
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