MESON Chess Problem Database

Problem Display
PID: 163078 (5B2/5Nb1/6N1/2RP3p/2pkn1bR/1P2p3/2B1p3/K3Q3 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Landeszeitung fur die Luneburger Heide, 1995

(First published on Sat Mar 11 1995)

5B2/5Nb1/6N1/2RP3p/2pkn1bR/1P2p3/2B1p3/K3Q3

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Rxe4#
    • 1...Be6
      • 2.Rxe4#
    • 1...Bd7
      • 2.Rxe4#
    • 1...Bc8
      • 2.Rxe4#
    • 1...cxb3
      • 2.Qb4#
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Rxc4#
      • 1...cxb3
        • 2.Qb4#
      • 1...c3
        • 2.Rc4#
      • 1...Kxe4+!
    • 1.Bxg7+?
      • 1...Kxc5
        • 2.Qa5#
      • 1...Sf6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rxc4#
      • 1...Sxc5
        • 2.Bxg7#
      • 1...cxb3
        • 2.Qb4#
      • 1...Sd2
        • 2.Sxe2#
      • 1...Sd6
        • 2.Se6#
      • 1...c3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(f);OGATE,P_SPINS(e)::R1(E),XS(e)
    • P(c);OGATEB,XP(D)::QAR2(B)
  • Tries
    • Try
      • B(C);XS(e)
      • Threat
        • R1(F),XP(c)
      • Vars
        • P(c);OGATEB,XP(D)::QAR2(B)
        • P(c);::R1(F)
      • Refutation
        • K(d);CHECK,P-FLIGHT,P_SPINB(f),XB(C)
    • Try
      • B(J);CHECK,XB(h)
      • Vars
        • K(d);S_FLIGHT,XR(F)::QAR2(B)
      • Refutation
        • S(e);P_SPINB(f),P_SPINS(e)
  • Actual
    • S(H);
    • Threat
      • R1(F),XP(c)
    • Vars
      • S(e);N_GUARD,SBLOCK,XR(F)::B(J),XB(h)
      • P(c);OGATEB,XP(D)::QAR2(B)
      • S(e);S_CUTB(f)::S(H),XP(a)
      • S(e);S_CUTB(f)::S(H)
      • P(c);::R1(F)
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