MESON Chess Problem Database

Problem Display
PID: 153411 (N1b1Q3/r1PPP3/ppkBr2n/nR1N4/2p5/3Bp3/3R4/7K w - - 0 1)

Radomirovic, Miodrag

1st Prize, Belgrade Internet Ty., 2005

N1b1Q3/r1PPP3/ppkBr2n/nR1N4/2p5/3Bp3/3R4/7K

#2

11 + 10

15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Kb7
      • 2.dxc8Q#
    • 1...Rxd6
      • 2.d8S#
    • 1...Rb7
      • 2.dxc8S#
    • 1...Bb7
      • 2.d8Q#
      • 2.d8R#
    • 1...Sb7
      • 2.dxc8S#
  • Tries
    • 1.Sb4+?
      • 1...Kxd6
        • 2.Rd5#
        • 2.dxc8S#
      • 1...Kb7
        • 2.Qxc8#
        • 2.dxc8Q#
      • 1...Kxb5!
    • 1.dxc8R+?
      • 1...Kb7
        • 2.Rxb6#
        • 2.Rb8#
      • 1...Kxd6!
    • 1.d8Q+?
      • 1...Kb7
        • 2.Qxc8#
      • 1...Bd7!
  • Keys
    • 1.Be4!
      • threat
        • 2.Rxb6#
      • 1...Kxb5
        • 2.Sc3#
      • 1...Kxd6
        • 2.Sxe3#
      • 1...Kb7
        • 2.dxc8Q#
      • 1...Rxd6
        • 2.d8S#
      • 1...axb5
        • 2.Sb4#
      • 1...Rb7
        • 2.dxc8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(f);P_SPINP(e),S_FLIGHT::PXB(j)=Q
    • R(g);SBLOCK,XB(F)::P=S
    • R(i);SBLOCK::PXB(j)=S
    • B(j);N_GUARD,SBLOCK::P=Q
    • S(c);SBLOCK::PXB(j)=S
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(f);P_SPINP(b),S_FLIGHT,XR(D)
    • Try
      • P(H);CHECK,XB(j)
      • Refutation
        • K(f);P-FLIGHT,XB(F)
    • Try
      • P(H);CHECK
      • Vars
        • K(f);P_SPINP(e),S_FLIGHT::QAB1(H),XB(j)
      • Refutation
        • B(j);P_SPINB(j)
  • Actual
    • B(C);
    • Threat
      • R1(D),XP(e)
    • Vars
      • K(f);S_FLIGHT,XR(D)::S(E)
      • K(f);P-FLIGHT,XB(F)::R(B)+S(E),XP(a)
      • K(f);P_SPINP(e),S_FLIGHT::PXB(j)=Q
      • R(g);SBLOCK,XB(F)::P=S
      • P(d);SBLOCK,XR(D)::B(C)+S(E),DCHECK
      • R(i);SBLOCK::PXB(j)=S
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