MESON Chess Problem Database

Problem Display
PID: 199760 (8/5p1p/2KR1p1Q/3NN1n1/p2k3P/rp3p2/pR3P2/B6B w - - 0 1)

Bylevski, Aleksandr

Sachova skladba, 1987

8/5p1p/2KR1p1Q/3NN1n1/p2k3P/rp3p2/pR3P2/B6B

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sh3
      • 2.Qe3#
    • 1...Se4
      • 2.Rd2#
    • 1...Se6
      • 2.Qe3#
  • Tries
    • 1.Sc3+?
      • 1...Kxe5
        • 2.Qxf6#
      • 1...Kxc3!
    • 1.Sxf6+?
      • 1...Kxe5
        • 2.Qxg5#
      • 1...Kc3!
    • 1.Bxf3?
      • threat
        • 2.Rd2#
        • 2.Rxb3#
      • 1...Kxe5
        • 2.Qxf6#
      • 1...Sxf3
        • 2.Qe3#
        • 2.Qf4#
      • 1...Se4
        • 2.Rd2#
      • 1...fxe5!
  • Keys
    • 1.Rxf6!
      • 1...Ke4
        • 2.Re2#
      • 1...Kxe5
        • 2.Re2#
      • 1...Sh3
        • 2.Qe3#
      • 1...Se4
        • 2.Rd2#
      • 1...Se6
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(g);OGATE::QAB1(J)
    • S(g);SBLOCK::B(A)+R(C),DCHECK
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(f);S_FLIGHT,XS(G)::QAB1(J),XP(h)
      • Refutation
        • K(f);S_FLIGHT,XS(F)
    • Try
      • S(F);CHECK,XP(h)
      • Vars
        • K(f);S_FLIGHT,XS(G)::QAR2(J),XS(g)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • B(B);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • K(f);OGATEB,S_FLIGHT,XS(G)::QAB1(J),XP(h)
        • S(g);::B(A)+R(C),DCHECK
      • Refutation
        • P(h);XS(G)
  • Actual
    • R(I);XP(h)
    • Vars
      • K(f);P-FLIGHT,P_SPINP(d)::R(C)
      • K(f);S_FLIGHT,XS(G)::B(A)+R(C),DCHECK
      • S(g);OGATE::QAB1(J)
      • S(g);SBLOCK::B(A)+R(C),DCHECK
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