MESON Chess Problem Database

Problem Display
PID: 228027 (q2b2Q1/8/7p/2p1pp2/r1PNkp2/1p3p2/nK3B2/5B2 w - - 0 1)

Baumgarten, Ernst

Freie Presse, 1974

q2b2Q1/8/7p/2p1pp2/r1PNkp2/1p3p2/nK3B2/5B2

#2

6 + 12

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qa5
      • 2.Qd5#
    • 1...Qa6
      • 2.Qd5#
    • 1...Qa7
      • 2.Qd5#
    • 1...Qb8
      • 2.Qd5#
    • 1...Qc8
      • 2.Qd5#
    • 1...Ba5
      • 2.Qxa8#
    • 1...exd4
      • 2.Qe6#
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Sd2#
      • 1...Kxf3
        • 2.Qg2#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Qa5
        • 2.Qd5#
      • 1...Ba5
        • 2.Qxa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(k);N_GUARD::QAB1(F),XQ(k)
    • Q(k);N_GUARD::QAB1(F)
    • B(l);OGATE::QAB(F),XQ(k)
    • P(h);OGATEB,XS(E)::QAR2(F)
  • Actual
    • S(E);XP(c)
    • Threat
      • S(E)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(E)::QAB1(F)
      • Q(k);N_GUARD::QAB1(F),XQ(k)
      • Q(k);N_GUARD::QAB1(F)
      • B(l);OGATE::QAB(F),XQ(k)
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