MESON Chess Problem Database

Problem Display
PID: 59405 (1R4B1/5r2/2p2P2/2ppB3/pPkPp2Q/RpN2p2/2PP4/5K2 w - - 0 1)

Labai, Zoltan

Die Schwalbe, 2005

1R4B1/5r2/2p2P2/2ppB3/pPkPp2Q/RpN2p2/2PP4/5K2

#2

12 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sb2#
        • 2.Se3#
      • 1...cxd4
        • 2.Sb2#
      • 1...b2
        • 2.Sxb2#
        • 2.Se3#
        • 2.Rc3#
      • 1...e3
        • 2.Sb2#
        • 2.Sxe3#
        • 2.d3#
      • 1...Rb7!
    • 1.Sxa4?
      • threat
        • 2.Sb2#
      • 1...b2
        • 2.Sxb2#
        • 2.Rc3#
      • 1...Rb7!
    • 1.Sxe4?
      • threat
        • 2.Sd6#
        • 2.d3#
      • 1...Rxf6
        • 2.d3#
      • 1...dxe4
        • 2.Bxf7#
      • 1...Rd7
        • 2.d3#
      • 1...Rb7!
    • 1.dxc5?
      • threat
        • 2.d3#
      • 1...Rb7
        • 2.Qxe4#
      • 1...d4
        • 2.Bxf7#
      • 1...bxc2!
  • Keys
    • 1.Qxe4!
      • threat
        • 2.Qd3#
      • 1...bxc2
        • 2.d3#
      • 1...dxe4
        • 2.Bxf7#
      • 1...Rb7
        • 2.dxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);XP(G)::S(E)
      • Refutation
        • R(i);P_SPINP(g)
    • Try
      • S(E);XP(c)
      • Threat
        • S(E)
      • Refutation
        • R(i);P_SPINP(g)
    • Try
      • S(E);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(i);P_SPINP(g),XP(J)::P(C)
        • P(g);OGATEB,P_SPINR(i),XS(E)::B(L),XR(i)
        • R(i);P_SPINP(g)::P(C)
      • Refutation
        • R(i);P_SPINP(g)
    • Try
      • P(G);P_PINP(e),XP(f)
      • Threat
        • P(C)
      • Vars
        • R(i);S_CUTP(g),S_CUTP(g)::QAR2(H),XP(e)
        • P(g);N_SPINP(e),OGATEB,P_SPINR(i)::B(L),XR(i)
      • Refutation
        • P(a);XP(B)
  • Actual
    • Q(H);XP(e)
    • Threat
      • QAB1(H)
    • Vars
      • P(a);XP(B)::P(C)
      • P(g);OGATEB,P_SPINR(i),XQ(H)::B(L),XR(i)
      • R(i);P_SPINP(g)::QAR(H)+P(G),XP(f)
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