MESON Chess Problem Database

Problem Display
PID: 137197 (8/1n1p4/1npPp3/2pkP3/3N1P2/1N1p1K2/BP3p2/2RR1r2 w - - 0 1)

Labai, Zoltan

2nd Prize, Kanonik MT (Chervoni Girnik), 2006

8/1n1p4/1npPp3/2pkP3/3N1P2/1N1p1K2/BP3p2/2RR1r2

#2

10 + 10

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Sa5
      • 2.Rxc5#
    • 1...Sxd6
      • 2.Rxc5#
    • 1...Sd8
      • 2.Rxc5#
  • Tries
    • 1.Sxc5+?
      • 1...Kxd4
        • 2.Rxd3#
      • 1...Sc4!
    • 1.Sc2?
      • threat
        • 2.Se3#
      • 1...Kc4
        • 2.Sbd4#
      • 1...Sc4
        • 2.Rxd3#
      • 1...Re1!
    • 1.Se2?
      • threat
        • 2.Rxd3#
      • 1...d2
        • 2.Rxd2#
      • 1...c4
        • 2.Sc3#
      • 1...Rxd1!
    • 1.Sb5?
      • threat
        • 2.Sc7#
        • 2.Rxd3#
      • 1...Rxd1
        • 2.Sc7#
      • 1...Sa8
        • 2.Sxc5#
        • 2.Rxd3#
      • 1...d2
        • 2.Sc7#
        • 2.Rxd2#
      • 1...c4
        • 2.Sc3#
        • 2.Sc7#
      • 1...cxb5!
    • 1.Sf5?
      • threat
        • 2.Se3#
        • 2.Se7#
        • 2.Rxd3#
      • 1...Rxd1
        • 2.Se3#
        • 2.Se7#
      • 1...Sc4
        • 2.Se7#
        • 2.Rxd3#
      • 1...Re1
        • 2.Se7#
        • 2.Rxd3#
      • 1...Sc8
        • 2.Sxc5#
        • 2.Se3#
        • 2.Rxd3#
      • 1...d2
        • 2.Se3#
        • 2.Se7#
        • 2.Rxd2#
      • 1...c4
        • 2.Se3#
        • 2.Se7#
      • 1...exf5!
    • 1.Sxc6?
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Sd4#
      • 1...dxc6
        • 2.Rxd3#
      • 1...Sc8!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Sc7#
      • 1...Kxe6
        • 2.Sd4#
      • 1...dxe6
        • 2.Rxd3#
      • 1...Sa8
        • 2.Sbxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(i);N_GUARD::R1(A),XP(d)
    • S(i);N_GUARD,XP(J)::R1(A),XP(d)
  • Tries
    • Try
      • S(E);CHECK,XP(d)
      • Vars
        • K(e);P-FLIGHT,P_SPINP(c),XS(G)::R1(B),XP(c)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • S(G);P_PINP(c)
      • Threat
        • S(G)
      • Vars
        • K(e);N_SPINP(c),S_FLIGHT::B(C)+S(E)
        • S(f);SBLOCK::R(B),XP(c)
      • Refutation
        • R(a);
    • Try
      • S(G);P_PINP(c)
      • Threat
        • R(B),XP(c)
      • Vars
        • P(c);OGATEB::R(B),XP(c)
        • P(d);SBLOCK::S(G)
      • Refutation
        • R(a);N_SPINP(c),XR(B)
    • Try
      • S(G);P_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);N_SPINP(c),XR(B)::S(G)
      • Refutation
        • P(g);XS(G)
    • Try
      • S(G);P_PINP(c)
      • Threat
        • DUALS(3)
      • Refutation
        • P(h);XS(G)
    • Try
      • S(G);P_PINP(c),XP(g)
      • Threat
        • S(G)
      • Vars
        • K(e);N_SPINP(c),P_SPINP(d),S_FLIGHT,XS(G)::S(E)
        • P(j);SBLOCK,XS(G)::R(B),XP(c)
      • Refutation
        • S(f);
  • Actual
    • S(G);P_PINP(c),XP(h)
    • Threat
      • S(G)
    • Vars
      • K(e);N_SPINP(c),S_FLIGHT,XS(G)::B(C)+S(E),DCHECK
      • P(j);SBLOCK,XS(G)::R(B),XP(c)
      • S(f);N_GUARD::B(C)+S(E),XP(d)
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