MESON Chess Problem Database

Problem Display
PID: 241101 (5b2/3K2p1/1R4N1/2Pk4/p3p2r/Bp2P3/pr6/Qb3B2 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Sachsische Zeitung, 2014

5b2/3K2p1/1R4N1/2Pk4/p3p2r/Bp2P3/pr6/Qb3B2

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc2
      • 2.Qd4#
      • 2.Qe5#
    • 1...Rd2
      • 2.Qe5#
    • 1...Re2
      • 2.Qd4#
    • 1...Rf2
      • 2.Qd4#
      • 2.Qe5#
    • 1...Rg2
      • 2.Qd4#
      • 2.Qe5#
    • 1...Rbh2
      • 2.Qd4#
      • 2.Qe5#
    • 1...Bd6
      • 2.Rxd6#
  • Tries
    • 1.Se7+?
      • 1...Ke5
        • 2.Bxb2#
        • 2.Re6#
        • 2.Qxb2#
      • 1...Bxe7!
    • 1.Re6?
      • threat
        • 2.Re5#
      • 1...Re2
        • 2.Qd4#
      • 1...Rh5
        • 2.Sf4#
      • 1...Bd6
        • 2.Rxd6#
      • 1...Bd3!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rd4#
      • 1...Kxc5
        • 2.Rb5#
      • 1...Bxc5
        • 2.Bc4#
      • 1...Rd2
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE::QAR1(A)
    • B(j);N_GUARD::R1(F),XB(j)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • B(j);XS(G)
    • Try
      • R(F);
      • Threat
        • R1(F)
      • Vars
        • R(c);OGATE::QAR1(A)
        • R(g);N_GUARD::S(G)
        • B(j);N_GUARD::R1(F),XB(j)
      • Refutation
        • B(a);
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(h);OGATEB,P-FLIGHT,XP(E)::B(C)+R(F),DCHECK
      • B(j);SBLOCK,XP(E)::B(B)
      • R(c);OGATE::QAR1(A)
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