MESON Chess Problem Database

Problem Display
PID: 149615 (5B2/1p2K3/1pp5/Rn6/Nk6/1P6/1Q6/8 w - - 0 1)

Zuvic, Predrag

Zagrebacki susreti, 1990

5B2/1p2K3/1pp5/Rn6/Nk6/1P6/1Q6/8

#2

6 + 5

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Qc3#
  • Tries
    • 1.Qc3+?
      • 1...Ka3
        • 2.Sxb6#
      • 1...Sxc3!
  • Keys
    • 1.Sc5!
      • 1...Kxa5
        • 2.b4#
      • 1...Kxc5
        • 2.Ke6#
      • 1...bxa5
        • 2.Sd3#
      • 1...bxc5
        • 2.Ra4#
      • 1...Sd6
        • 2.Qd2#
      • 1...Sa3
        • 2.Qd2#
      • 1...Sc3
        • 2.Qa3#
      • 1...Sd4
        • 2.Qd2#
      • 1...Sa7
        • 2.Qd2#
      • 1...Sc7
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,SBLOCK::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::R(D)+S(C),XP(c)
      • Refutation
        • S(b);XQ(A)
  • Actual
    • S(C);
    • Vars
      • K(a);OGATE,S_FLIGHT,XR(D)::P(B)
      • K(a);P_SPINS(b),S_FLIGHT,XS(C)::B(F)+K(E)
      • P(c);SBLOCK,XR(D)::S(C)
      • P(c);SBLOCK,XS(C)::R1(D)
      • S(b);N_GUARD::QAB(A)
      • S(b);N_GUARD,SBLOCK::QAB1(A)
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