MESON Chess Problem Database

Problem Display
PID: 230216 (8/n3RpKb/B2p1p2/2Np1k1p/2pR1P1B/5P2/qp2P3/3nbN2 w - - 0 1)

Apro, Laszlo

US Problem Bulletin, 1988

8/n3RpKb/B2p1p2/2Np1k1p/2pR1P1B/5P2/qp2P3/3nbN2

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sg3#
    • 1...Bc3
      • 2.Sg3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bb4
      • 2.Sg3#
    • 1...Ba5
      • 2.Sg3#
    • 1...Sf2
      • 2.Se3#
      • 2.Sg3#
    • 1...Sc3
      • 2.Se3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sb5
      • 2.Bc8#
    • 1...Sc6
      • 2.Bc8#
    • 1...Sc8
      • 2.Bxc8#
    • 1...c3
      • 2.Bd3#
  • Tries
    • 1.Bg3?
      • threat
        • 2.Rxd5#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...Sc3
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sc6
        • 2.Bc8#
      • 1...c3
        • 2.Bd3#
      • 1...Bc3!
    • 1.e3?
      • threat
        • 2.Rxd5#
      • 1...Sxe3
        • 2.Sxe3#
      • 1...Bc3
        • 2.Sg3#
      • 1...Sc6
        • 2.Bc8#
      • 1...c3
        • 2.Bd3#
      • 1...Sc3!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Rxd5#
      • 1...fxg5
        • 2.Rxf7#
      • 1...Bc3
        • 2.Sg3#
      • 1...Sc3
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sc6
        • 2.Bc8#
      • 1...c3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • B(b);N_GUARD::S(A)
    • B(b);N_GUARD::S(A),XB(b)
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
    • S(k);N_GUARD::B(H)
    • S(k);N_GUARD::B(H),XS(k)
    • P(e);OGATE::B(H)
  • Tries
    • Try
      • B(F);
      • Threat
        • R(D),XP(f)
      • Vars
        • B(b);XB(F)::S(A),XB(b)
        • S(a);N_GUARD::S(A)
        • S(a);N_GUARD::S(A),XS(a)
        • S(k);N_GUARD::B(H)
        • P(e);OGATE::B(H)
      • Refutation
        • B(b);
    • Try
      • P(B);
      • Threat
        • R(D),XP(f)
      • Vars
        • S(a);XP(B)::S(A),XS(a)
        • B(b);N_GUARD::S(A)
        • S(k);N_GUARD::B(H)
        • P(e);OGATE::B(H)
      • Refutation
        • S(a);
  • Actual
    • B(F);
    • Threat
      • R(D),XP(f)
    • Vars
      • P(j);OGATEB,XB(F)::R(I),XP(l)
      • B(b);N_GUARD::S(A)
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
      • S(k);N_GUARD::B(H)
      • P(e);OGATE::B(H)
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