MESON Chess Problem Database

Problem Display
PID: 199338 (8/p3r3/K1R1p3/1pR5/bkN1B2Q/pP2p1p1/P1P1pbP1/B2nn3 w - - 0 1)

Heyl, Peter

Freie Presse, 2001

(First published on Fri Jun 15 2001)

8/p3r3/K1R1p3/1pR5/bkN1B2Q/pP2p1p1/P1P1pbP1/B2nn3

#2

11 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...bxc4
      • 2.Rxc4#
  • Tries
    • 1.Se5?
      • threat
        • 2.Bd3#
        • 2.Bf3#
        • 2.Bd5#
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Sxc2
        • 2.Sd3#
        • 2.Bxc2#
      • 1...Sxg2
        • 2.Sd3#
        • 2.Bxg2#
      • 1...Rd7
        • 2.Bd5#
      • 1...Rf7
        • 2.Bf5#
      • 1...Rg7
        • 2.Bg6#
      • 1...Rh7
        • 2.Bxh7#
      • 1...Sb2
        • 2.c3#
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sd3
        • 2.Sxd3#
        • 2.Bxd3#
      • 1...Sf3
        • 2.Sd3#
        • 2.Bxf3#
      • 1...Bxb3!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Bd3#
        • 2.Bf3#
        • 2.Bd5#
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Bxb3
        • 2.Rxb5#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Sxg2
        • 2.Bxg2#
      • 1...Rd7
        • 2.Bd5#
      • 1...Rf7
        • 2.Bf5#
      • 1...Rg7
        • 2.Bg6#
      • 1...Rh7
        • 2.Bxh7#
      • 1...Sb2
        • 2.c3#
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sd3
        • 2.Bxd3#
      • 1...Sf3
        • 2.Bxf3#
      • 1...e5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 1
  • Sets
    • P(j);OGATE,XS(F)::R1(I),XP(j)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(6)
      • Vars
        • R(m);::QAR(H)+B(G)
        • R(m);::QAR(H)+B(G),XR(m)
        • S(a);N_GUARD::P(C)
        • S(a);N_GUARD::B(A),XS(a)
      • Refutation
        • B(h);XP(E)
  • Actual
    • S(F);
    • Threat
      • DUALS(6)
    • Vars
      • B(h);N_GUARD,XP(E)::R1(I),XP(j)
      • S(b);OGATE,XP(C)::QAR(H)+B(G),XS(b)
      • S(b);OGATE,XP(D)::QAR(H)+B(G),XS(b)
      • R(m);::QAR(H)+B(G)
      • R(m);::QAR(H)+B(G),XR(m)
      • S(a);N_GUARD::P(C)
      • S(a);N_GUARD::B(A),XS(a)
      • S(b);::QAR(H)+B(G),XS(b)
      • P(k);N_GUARD::S(F)
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