MESON Chess Problem Database

Problem Display
PID: 162352 (3r1n2/4QK1p/Bpp1Pnp1/3k2N1/p2P1Rp1/r2RpP2/5b2/3N4 w - - 0 1)

Labai, Zoltan

Sachmatija, 2009

3r1n2/4QK1p/Bpp1Pnp1/3k2N1/p2P1Rp1/r2RpP2/5b2/3N4

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc3#
    • 1...Ra2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Be1
      • 2.Sxe3#
    • 1...Bg3
      • 2.Sxe3#
    • 1...Bh4
      • 2.Sxe3#
    • 1...Se4
      • 2.fxe4#
    • 1...Sxe6
      • 2.Qxe6#
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Sb2?
      • threat
        • 2.Bc4#
      • 1...c5
        • 2.Bb7#
      • 1...b5
        • 2.Qc5#
      • 1...Rc3!
    • 1.Rc3?
      • threat
        • 2.Bc4#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...c5
        • 2.Bb7#
      • 1...b5
        • 2.Rc5#
        • 2.Qc5#
      • 1...Se4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sxf6#
      • 1...Sxe4
        • 2.fxe4#
      • 1...b5
        • 2.Qc5#
      • 1...c5
        • 2.Qb7#
      • 1...Bh4
        • 2.Sxe3#
      • 1...Sh5
        • 2.Qg5#
      • 1...S6d7
        • 2.Qd6#
      • 1...Se8
        • 2.Qg5#
      • 1...Sg8
        • 2.Qg5#
      • 1...S8d7
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • R(b);N_GUARD::S(A)
    • R(b);N_GUARD::S(A),XR(b)
    • B(a);N_GUARD::S(A),XP(c)
    • S(i);OGATE::P(C),XS(i)
    • S(m);OGATE,XP(H)::QAB1(I),XS(m)
    • P(g);N_GUARD::QAR1(I)
  • Tries
    • Try
      • S(A);
      • Threat
        • B(G)
      • Vars
        • P(h);OGATEB::B(G)
        • P(g);N_GUARD::QAR1(I)
      • Refutation
        • R(b);
    • Try
      • R(B);
      • Threat
        • B(G)
      • Vars
        • R(b);XR(B)::S(A),XR(b)
        • P(h);OGATEB::B(G)
      • Refutation
        • S(i);
  • Actual
    • S(F);
    • Threat
      • S(F),XS(i)
    • Vars
      • S(i);OGATE,XS(F)::P(C),XS(i)
      • P(g);N_GUARD::QAR1(I)
      • P(h);OGATEB::QAB(I)
      • B(a);N_GUARD::S(A),XP(c)
      • S(i);OGATE::QAR(I)
      • S(i);S_CUTR(l)::QAR1(I)
      • S(m);S_CUTR(l)::QAR1(I)
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