MESON Chess Problem Database

Problem Display
PID: 235011 (n7/8/7K/1pk4P/brNb2RQ/1p1p4/4n3/6BB w - - 0 1)

Erokhin, Vladimir Alekseevich

Revista Romana de Sah, 1974

n7/8/7K/1pk4P/brNb2RQ/1p1p4/4n3/6BB

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg1
      • 2.Rg5#
      • 2.Qg5#
      • 2.Qe7#
    • 1...Bf2
      • 2.Rg5#
      • 2.Qg5#
      • 2.Qe7#
    • 1...Be3+
      • 2.Rg5#
      • 2.Qg5#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Qc6#
      • 1...Be3+
        • 2.Qg5#
      • 1...Kxc4
        • 2.Qc6#
      • 1...bxc4
        • 2.Rg5#
      • 1...Rxc4!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Rc6#
      • 1...Be3+
        • 2.Rg5#
      • 1...Kxc4
        • 2.Rc6#
      • 1...Rxc4
        • 2.Qe7#
      • 1...bxc4
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • B(f);CHECK::QAR(E)
        • K(h);P-FLIGHT,XS(C)::QAR2(E)
        • P(g);SBLOCK,XS(C)::R(D)
      • Refutation
        • R(e);XS(C)
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • B(f);CHECK::R(D)
      • K(h);P-FLIGHT,XS(C)::R(D)
      • R(e);SBLOCK,XS(C)::QAB(E)
      • P(g);SBLOCK,XS(C)::QAR(E)
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