MESON Chess Problem Database

Problem Display
PID: 52676 (8/1pp1P3/1pRbR1K1/2nkp3/1P6/2PN4/1r1Q4/Br3B2 w - - 0 1)

Marjanovic, B

4th HM., Yugoslav Championship, 2000-2001

8/1pp1P3/1pRbR1K1/2nkp3/1P6/2PN4/1r1Q4/Br3B2

#2

10 + 9

56 The Problemist 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sc1#
    • 1...Ke4
      • 2.Bg2#
    • 1...Kxc6
      • 2.Sxe5#
  • Tries
    • 1.Sf4+?
      • 1...Ke4
        • 2.Bg2#
      • 1...Kxc6!
    • 1.Sxc5+?
      • 1...Kxc6
        • 2.e8Q#
        • 2.e8B#
      • 1...Rxd2!
    • 1.Rexd6+?
      • 1...Kc4
        • 2.Sc1#
      • 1...Ke4
        • 2.Bg2#
      • 1...cxd6!
  • Keys
    • 1.c4+!
      • 1...Kxc4
        • 2.Sc1#
      • 1...Kd4
        • 2.Sxc5#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kxc6
        • 2.Sxe5#
      • 1...Kxe6
        • 2.e8Q#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINS(c),S_FLIGHT::B(B)+S(E)
    • K(d);P_SPINP(e),S_FLIGHT::B(B)
    • K(d);P_SPINB(g),S_FLIGHT,XR(G)::S(E),XP(e)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P_SPINP(e),S_FLIGHT::B(B)
      • Refutation
        • K(d);P_SPINB(g),S_FLIGHT,XR(G)
    • Try
      • S(E);CHECK,XS(c)
      • Vars
        • K(d);P_SPINB(g),S_FLIGHT,XR(G)::P=Q
      • Refutation
        • R(b);XQ(C)
    • Try
      • R(H);CHECK,XB(g)
      • Vars
        • K(d);P_SPINS(c),S_FLIGHT::B(B)+S(E)
        • K(d);S_FLIGHT::B(B)
      • Refutation
        • P(i);XR(H)
  • Actual
    • P(D);CHECK
    • Vars
      • K(d);P_SPINS(c),S_FLIGHT,XP(D)::B(B)+S(E)
      • K(d);P-FLIGHT,P_SPINR(b)::QAR(C)+S(E),XS(c)
      • K(d);P_SPINP(e),S_FLIGHT::QAR1(C)
      • K(d);P_SPINB(g),S_FLIGHT,XR(G)::S(E),XP(e)
      • K(d);P_SPINB(g),S_FLIGHT,XR(H)::P=Q
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