MESON Chess Problem Database

Problem Display
PID: 108015 (8/6B1/7Q/5Pr1/R1p1P1Nb/1pN3p1/1k6/nB1K4 w - - 0 1)

Dulinac, Stefan

Pozarevac TT, 1994

8/6B1/7Q/5Pr1/R1p1P1Nb/1pN3p1/1k6/nB1K4

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg4
      • 2.Qc1#
    • 1...Rxf5
      • 2.Qc1#
    • 1...Rh5
      • 2.Qc1#
    • 1...Rg6
      • 2.Qc1#
    • 1...Rxg7
      • 2.Qc1#
  • Tries
    • 1.Se2+?
      • 1...Kxb1
        • 2.Rxa1#
      • 1...Rxg7
        • 2.Qc1#
      • 1...c3!
    • 1.Sb5+?
      • 1...Kxb1
        • 2.Rxa1#
      • 1...Rxg7
        • 2.Qc1#
      • 1...c3!
    • 1.Sd5+?
      • 1...Kxb1
        • 2.Rxa1#
      • 1...Rxg7
        • 2.Qc1#
      • 1...c3!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sxc4#
      • 1...Kxc3
        • 2.Sg6#
      • 1...Rxg7
        • 2.Qc1#

This is a version of 7874

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(g);OGATE,XS(F)::QAB1(H)
    • R(g);OGATE,XP(G)::QAB1(H)
    • R(g);OGATE::QAB1(H)
    • R(g);OGATE,XB(I)::QAB1(H)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XB(A)::R1(D),XS(a)
        • R(g);OGATE,XB(I)::QAB1(H)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XB(A)::R1(D),XS(a)
        • R(g);OGATE,XB(I)::QAB1(H)
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XB(A)::R1(D),XS(a)
        • R(g);OGATE,XB(I)::QAB1(H)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • S(F);
    • Threat
      • S(F),XP(e)
    • Vars
      • K(b);S_FLIGHT,XS(C)::B(I)+S(F)
      • R(g);OGATE,XB(I)::QAB1(H)
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