MESON Chess Problem Database

Problem Display
PID: 204619 (2K5/1NN5/1pk5/6p1/R7/nr4r1/B5pQ/7q w - - 0 1)

Beck, Friedrich

Deutsche Schachzeitung, 1944

2K5/1NN5/1pk5/6p1/R7/nr4r1/B5pQ/7q

#2

6 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Qh6#
    • 1...Qg1
      • 2.Qh6#
    • 1...Rb1
      • 2.Bd5#
    • 1...Rb2
      • 2.Bd5#
    • 1...Rbc3
      • 2.Bd5#
    • 1...Rbe3
      • 2.Bd5#
    • 1...Rbf3
      • 2.Bd5#
    • 1...Rb4
      • 2.Bd5#
    • 1...Rgc3
      • 2.Qd6#
    • 1...Rge3
      • 2.Qd6#
    • 1...Rgf3
      • 2.Qd6#
    • 1...Rh3
      • 2.Qd6#
    • 1...Rg4
      • 2.Qd6#
    • 1...Sb1
      • 2.Rc4#
    • 1...Sc2
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
    • 1...Sb5
      • 2.Rc4#
    • 1...b5
      • 2.Ra6#
  • Keys
    • 1.Rd4!
      • threat
        • 2.Rd6#
      • 1...Qd1
        • 2.Qh6#
      • 1...Rbd3
        • 2.Bd5#
      • 1...Rgd3
        • 2.Qd6#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sb5
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 16
  • Sets
    • Q(a);N_GUARD::QAR(B)
    • R(d);OGATE::B(A)
    • R(e);OGATE::QAR1(B)
    • S(c);N_GUARD::R(C)
    • S(c);N_GUARD::R(C),XS(c)
    • P(g);OGATEB::R(C)
  • Actual
    • R(C);
    • Threat
      • R1(C)
    • Vars
      • Q(a);N_GUARD::QAR(B)
      • R(d);OGATE::B(A)
      • R(e);OGATE::QAR1(B)
      • S(c);N_GUARD::R(C),XS(c)
      • S(c);N_GUARD::R(C)
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