MESON Chess Problem Database

Problem Display
PID: 170017 (b3N3/2pB4/2Q1PN2/4kp2/4n3/2P3P1/q2Bn1K1/4RR2 w - - 0 1)

Musante, Horacio Luis

5/7 Prize, Enroque!!, 1946

b3N3/2pB4/2Q1PN2/4kp2/4n3/2P3P1/q2Bn1K1/4RR2

#2

11 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe6
      • 2.Qxe6#
    • 1...Sc1
      • 2.Qxc7#
    • 1...Sg1
      • 2.Qxc7#
    • 1...S2xc3
      • 2.Qxc3#
    • 1...S2xg3
      • 2.Qxc7#
    • 1...Sd4
      • 2.Qxc7#
    • 1...Sf4+
      • 2.gxf4#
    • 1...Sf2
      • 2.Bf4#
    • 1...S4xc3
      • 2.Bxc3#
    • 1...S4xg3
      • 2.Bf4#
    • 1...Sc5
      • 2.Bf4#
    • 1...Sg5
      • 2.Bf4#
    • 1...Sd6
      • 2.Bf4#
    • 1...Sxf6
      • 2.Bf4#
  • Keys
    • 1.e7!
      • threat
        • 2.Rxf5#
      • 1...Sf4+
        • 2.gxf4#
      • 1...S2xc3
        • 2.Qxc3#
      • 1...S2xg3
        • 2.Qxc7#
      • 1...S4xc3
        • 2.Bxc3#
      • 1...S4xg3
        • 2.Bf4#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Sd4
        • 2.Qxc7#
      • 1...Sf2
        • 2.Bf4#
      • 1...Sd6
        • 2.Bf4#
      • 1...f4
        • 2.Sg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(a);OGATE,XP(H)::QAR1(G),XQ(a)
    • S(b);P_PINB(C),P_SPINS(c)::QAB(G),XP(f)
    • S(b);OGATE,P_PINB(C),P_SPINS(c),XP(E)::QAB(G),XS(b)
    • S(b);P_PINB(C),P_SPINS(c),XP(F)::QAB(G),XP(f)
    • S(b);CHECK,OGATE,P_PINB(C),P_SPINS(c)::P(F),XS(b)
    • S(c);P_PINQ(G),P_SPINS(b)::B(C)
    • S(c);OGATE,P_PINQ(G),P_SPINS(b),XP(E)::B(C),XS(c)
    • S(c);P_PINQ(G),P_SPINS(b),XP(F)::B(C)
    • S(c);P_PINQ(G),P_SPINS(b),XS(I)::B(C)
  • Actual
    • P(H);
    • Threat
      • R1(B),XP(e)
    • Vars
      • S(b);CHECK,OGATE,P_PINB(C),P_SPINS(c)::P(F),XS(b)
      • S(b);OGATE,P_PINB(C),P_SPINS(c),XP(E)::QAB(G),XS(b)
      • S(b);P_PINB(C),P_SPINS(c),XP(F)::QAB(G),XP(f)
      • S(c);OGATE,P_PINQ(G),P_SPINS(b),XP(E)::B(C),XS(c)
      • S(c);P_PINQ(G),P_SPINS(b),XP(F)::B(C)
      • Q(a);N_GUARD::QAR1(G),XQ(a)
      • S(b);P_PINB(C),P_SPINS(c)::QAB(G),XP(f)
      • S(c);P_PINQ(G),P_SPINS(b)::B(C)
      • P(e);N_GUARD::S(I)
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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).