MESON Chess Problem Database

Problem Display
PID: 162710 (q2N4/3p1QpK/b2B3p/2b2n2/2N1k2p/2pR2p1/2P5/8 w - - 0 1)

Thomas, Georg

Nationaltidende, 1940

(First published on Sun Oct 20 1940)

q2N4/3p1QpK/b2B3p/2b2n2/2N1k2p/2pR2p1/2P5/8

#2

7 + 11

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qa7
      • 2.Qd5#
    • 1...Qb8
      • 2.Qd5#
    • 1...Qc8
      • 2.Qd5#
    • 1...Qxd8
      • 2.Qd5#
    • 1...Se3
      • 2.Qf4#
    • 1...Sd4
      • 2.Re3#
    • 1...Sxd6
      • 2.Qf3#
    • 1...Se7
      • 2.Qf3#
      • 2.Qf4#
  • Keys
    • 1.Kg6!
      • threat
        • 2.Qxf5#
      • 1...Se7+
        • 2.Qxe7#
      • 1...Sxd6
        • 2.Qf3#
      • 1...Qd5
        • 2.Qxd5#
      • 1...Se3
        • 2.Qf4#
      • 1...Sd4
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • Q(k);N_GUARD::QAB1(E),XQ(k)
    • Q(k);N_GUARD::QAB1(E)
    • Q(k);N_GUARD,XS(G)::QAB1(E)
    • S(f);OGATE::QAR1(E)
    • S(f);N_GUARD,SBLOCK,S_CUTB(e)::R1(B)
    • S(f);OGATE,XB(D)::QAB1(E)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAB1(E),XS(f)
    • Vars
      • S(f);CHECK,N_GUARD::QAR(E),XS(f)
      • S(f);OGATE,XB(D)::QAB1(E)
      • Q(k);N_GUARD::QAB1(E),XQ(k)
      • S(f);OGATE::QAR1(E)
      • S(f);N_GUARD,SBLOCK,S_CUTB(e)::R1(B)
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