MESON Chess Problem Database

Problem Display
PID: 226749 (5Rn1/3r2B1/8/2pp3b/4p1p1/2PNk1P1/R4N2/3K2nB w - - 0 1)

Ahues, Herbert Siegfried Oskar

Freie Presse, 2003

5Rn1/3r2B1/8/2pp3b/4p1p1/2PNk1P1/R4N2/3K2nB

#2

9 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Se2
      • 2.Rxe2#
    • 1...Sf3
      • 2.Re2#
    • 1...Sh3
      • 2.Re2#
    • 1...Sf6
      • 2.Bh6#
    • 1...Sh6
      • 2.Bxh6#
    • 1...Se7
      • 2.Bh6#
    • 1...c4
      • 2.Bd4#
  • Tries
    • 1.Se1?
      • threat
        • 2.Sc2#
        • 2.Sg2#
      • 1...Bf7
        • 2.Sxg4#
      • 1...Sf3
        • 2.Sg2#
        • 2.Re2#
      • 1...Sf6
        • 2.Bh6#
      • 1...Rf7!
    • 1.Sf4?
      • threat
        • 2.Sg2#
      • 1...Rf7
        • 2.Sxd5#
      • 1...Bf7
        • 2.Sxg4#
      • 1...Sf6!
    • 1.Be5?
      • threat
        • 2.Bf4#
      • 1...Se2
        • 2.Rxe2#
      • 1...Sh3
        • 2.Re2#
      • 1...Rf7!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc2#
      • 1...cxb4
        • 2.Bd4#
      • 1...Rf7
        • 2.Sxd5#
      • 1...Bf7
        • 2.Sxg4#
      • 1...Sf3
        • 2.Re2#
      • 1...Sf6
        • 2.Bh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::R1(C),XS(a)
    • S(a);N_GUARD::R1(C)
    • S(i);N_GUARD::B(H)
    • S(i);N_GUARD::B(H),XS(i)
    • P(e);N_GUARD::B(H)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);N_GUARD::S(D),XP(d)
        • S(i);N_GUARD::B(H)
      • Refutation
        • R(h);
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • R(h);N_GUARD::S(F),XP(f)
        • B(g);N_GUARD::S(D),XP(d)
      • Refutation
        • S(i);
    • Try
      • B(H);
      • Threat
        • B(H)
      • Vars
        • S(a);N_GUARD::R1(C),XS(a)
        • S(a);N_GUARD::R1(C)
      • Refutation
        • R(h);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • P(e);N_GUARD,XS(F)::B(H)
      • R(h);N_GUARD::S(F),XP(f)
      • B(g);N_GUARD::S(D),XP(d)
      • S(a);N_GUARD::R1(C)
      • S(i);N_GUARD::B(H)
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