MESON Chess Problem Database

Problem Display
PID: 244580 (5n1Q/B3p3/4pp2/1BNkPb1R/K3p1N1/R5P1/1p1n4/1rb5 w - - 0 1)

Bunka, Vladislav

Sachove umeni (Ceskoslovensky sach), 2002

5n1Q/B3p3/4pp2/1BNkPb1R/K3p1N1/R5P1/1p1n4/1rb5

#2

10 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sg6
      • 2.Qd8#
    • 1...Sh7
      • 2.Qd8#
    • 1...fxe5
      • 2.Qxe5#
  • Tries
    • 1.Se3+?
      • 1...Kd4
        • 2.Sd3#
        • 2.Sd7#
      • 1...Kxe5!
    • 1.Sa6?
      • threat
        • 2.Sb4#
        • 2.Sc7#
      • 1...fxe5
        • 2.Qxe5#
      • 1...e3!
    • 1.Sxe6?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Bxe6
        • 2.Se3#
      • 1...Sxe6
        • 2.Qa8#
      • 1...fxe5
        • 2.Qxe5#
      • 1...Sf1
        • 2.Sc7#
      • 1...Sb3
        • 2.Sc7#
      • 1...Sf3
        • 2.Sc7#
      • 1...Sc4
        • 2.Sc7#
      • 1...Sg6
        • 2.Sc7#
      • 1...e3!
    • 1.Qxf8?
      • threat
        • 2.Qd8#
      • 1...Kd4
        • 2.Qd8#
      • 1...Sc4!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sc3#
      • 1...Kxe4
        • 2.Bc6#
      • 1...Bxe4
        • 2.Se3#
      • 1...Sxe4
        • 2.Rd3#
      • 1...fxe5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(k);OGATE::QAR(J)
    • P(i);OGATE,XP(G)::QAR1(J),XP(i)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(f);P-FLIGHT,P_SPINB(g),P_SPINP(i),XP(G)
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(i);OGATE,XP(G)::QAR1(J),XP(i)
      • Refutation
        • P(e);
    • Try
      • S(F);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • K(f);OGATEB,S_FLIGHT,XS(F)::QAB(J)
        • B(g);SBLOCK,XS(F)::S(D)
        • S(k);OGATE,SBLOCK,XS(F)::QAB(J)
        • P(i);OGATE,XP(G)::QAR1(J),XP(i)
        • S(d);::S(F)
        • S(k);::S(F)
      • Refutation
        • P(e);
    • Try
      • Q(J);XS(k)
      • Threat
        • QAR(J)
      • Vars
        • K(f);P-FLIGHT::QAR(J)
      • Refutation
        • S(d);
  • Actual
    • S(F);XP(e)
    • Threat
      • S(F)
    • Vars
      • K(f);S_FLIGHT,XS(F)::B(E)
      • B(g);SBLOCK,XS(F)::S(D)
      • S(d);SBLOCK,XS(F)::R(A)
      • P(i);OGATE,XP(G)::QAR1(J),XP(i)
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