MESON Chess Problem Database

Problem Display
PID: 66825 (2kN1K1R/rp3P2/1p1QN3/1r6/b5p1/2q4B/2R4B/8 w - - 0 1)

Neumann, Itzhak

Comm., British Chess Magazine, 1932

2kN1K1R/rp3P2/1p1QN3/1r6/b5p1/2q4B/2R4B/8

#2

9 + 8

5828 My Selected Chess Problems (Neumann) 1968
3713 Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Qc7
      • 2.Qxc7#
    • 1...g3
      • 2.Sc5#
  • Keys
    • 1.Ke7!
      • threat
        • 2.Qb8#
        • 2.Qd7#
      • 1...Qc7+
        • 2.Qxc7#
      • 1...Qc5
        • 2.Sc6#
      • 1...Rb1
        • 2.Qb8#
      • 1...Rb2
        • 2.Qb8#
      • 1...Rb3
        • 2.Qb8#
      • 1...Rb4
        • 2.Qb8#
      • 1...Rba5
        • 2.Qb8#
      • 1...Rc5
        • 2.Qb8#
      • 1...Rd5
        • 2.Qb8#
      • 1...Re5
        • 2.Sc6#
      • 1...Rf5
        • 2.Qb8#
      • 1...Rg5
        • 2.Qb8#
      • 1...Rh5
        • 2.Qb8#
      • 1...Ra8
        • 2.Qd7#
      • 1...g3
        • 2.Sc5#

This anticipates 71000(1932)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD::QAR1(D),XQ(a)
    • P(c);::B(C)+S(E)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);CHECK,N_GUARD::QAR1(D),XQ(a)
      • Q(a);N_GUARD,P_PINQ(D)::R(I)+S(G)
      • R(d);::QAR1(D)
      • R(d);N_SPINQ(a)::QAR1(D)
      • R(d);P_PINS(E)::R(I)+S(G)
      • R(f);::QAB1(D)
      • P(c);::B(C)+S(E)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).