MESON Chess Problem Database

Problem Display
PID: 122 (K5B1/pR6/k7/3p4/7r/5n1R/4n3/b3BQ2 w - - 0 1)

Loshinski, Lev Ilich

BCF 001. Ty., 1929-1930

K5B1/pR6/k7/3p4/7r/5n1R/4n3/b3BQ2

#2

6 + 7

56 The Problemist 1930
3147 Chess Problems: Introduction to an Art 1963
5862 An ABC of Chess Problems 1970
3098 FIDE Album (1914-1944) (I) 1971
4640 Chess Wizardry: The New ABC of Chess Problems 1996
133 The Problemist Supplement 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh3
      • 2.Qxe2#
    • 1...Rd4
      • 2.Rh6#
    • 1...Rh5
      • 2.Qxe2#
    • 1...Rh6
      • 2.Qxe2#
    • 1...Rh7
      • 2.Qxe2#
    • 1...Rh8
      • 2.Qxe2#
    • 1...Bd4
      • 2.Qxe2#
    • 1...Sd4
      • 2.Ra3#
    • 1...d4
      • 2.Bc4#
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qxa7#
      • 1...Rd4
        • 2.Rh6#
      • 1...Bd4
        • 2.Qxe2#
      • 1...Sed4
        • 2.Qa2#
      • 1...Sfd4
        • 2.Ra3#
      • 1...d4
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(d);N_GUARD,XR(C)::QAB(B),XS(b)
    • R(d);OGATE::R(C)
    • R(d);N_GUARD::QAB(B),XS(b)
    • R(d);N_GUARD,P_PINB(F)::QAB(B),XS(b)
    • B(a);S_CUTR(d)::QAB(B),XS(b)
    • S(c);OGATE::R(C)
    • P(e);OGATE::B(F)
  • Actual
    • Q(B);N_PINS(b)
    • Threat
      • QAR1(B),XP(g)
    • Vars
      • R(d);OGATE::R(C)
      • B(a);S_CUTR(d)::QAB(B),XS(b)
      • S(b);OGATE::QAR(B)
      • S(c);OGATE::R(C)
      • P(e);OGATE::B(F)
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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).