MESON Chess Problem Database

Problem Display
PID: 51183 (8/3p4/2rr1b1N/2pbkP1N/4np2/2P2Q2/q2Bn1K1/4R3 w - - 0 1)

Andrade, Barry Jack da Costa

Manchester Guardian, 1953

8/3p4/2rr1b1N/2pbkP1N/4np2/2P2Q2/q2Bn1K1/4R3

#2

8 + 11

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qxf4#
    • 1...Sg1
      • 2.Qxf4#
    • 1...S2xc3
      • 2.Qxc3#
    • 1...S2g3
      • 2.Qxf4#
    • 1...Sd4
      • 2.Qxf4#
    • 1...Sf2
      • 2.Bxf4#
    • 1...S4xc3
      • 2.Bxc3#
    • 1...S4g3
      • 2.Bxf4#
    • 1...Sg5
      • 2.Bxf4#
  • Keys
    • 1.Sg3!
      • threat
        • 2.Sg4#
      • 1...S2xc3
        • 2.Qxc3#
      • 1...S2xg3
        • 2.Qxf4#
      • 1...S4xc3
        • 2.Bxc3#
      • 1...S4xg3
        • 2.Bxf4#
      • 1...Re6
        • 2.Sf7#
      • 1...Bb3
        • 2.Qxe4#
      • 1...Bc4
        • 2.Qxe4#
      • 1...Be6
        • 2.Qxe4#
      • 1...Bf7
        • 2.Qxe4#
      • 1...Bg8
        • 2.Qxe4#
      • 1...Sf2
        • 2.Bxf4#

Anticipated by 263950(1932)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD,P_PINB(B),P_SPINS(c)::QAB1(E),XP(d)
    • S(b);OGATE,P_PINB(B),P_SPINS(c),XP(D)::QAB(E),XS(b)
    • S(c);P_PINQ(E),P_SPINS(b)::B(B),XP(d)
    • S(c);OGATE,P_PINQ(E),P_SPINS(b),XP(D)::B(B),XS(c)
  • Actual
    • S(G);
    • Threat
      • S(H)
    • Vars
      • S(b);OGATE,P_PINB(B),P_SPINS(c),XP(D)::QAB(E),XS(b)
      • S(b);N_GUARD,P_PINB(B),P_SPINS(c),XS(G)::QAB1(E),XP(d)
      • S(c);OGATE,P_PINQ(E),P_SPINS(b),XP(D)::B(B),XS(c)
      • S(c);P_PINQ(E),P_SPINS(b),XS(G)::B(B),XP(d)
      • R(i);S_CUTB(f)::S(H)
      • B(f);N_GUARD::QAR1(E),XS(c)
      • S(c);P_PINQ(E),P_SPINS(b)::B(B),XP(d)
HTML5 logo

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).