MESON Chess Problem Database

Problem Display
PID: 267737 (3Q3N/p2PB2n/1PP3r1/R1K2k1p/1PBP2qP/5P2/b2bN3/8 w - - 0 1)

Gomis, E

El Diluvio, 1933

3Q3N/p2PB2n/1PP3r1/R1K2k1p/1PBP2qP/5P2/b2bN3/8

#2

14 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4+
      • 2.Kxd4#
    • 1...Rg5
      • 2.Kd6#
    • 1...Rxc6+
      • 2.Kxc6#
    • 1...Rd6
      • 2.Kxd6#
    • 1...Rg7
      • 2.Kd6#
    • 1...Rg8
      • 2.Kd6#
    • 1...Bxb4+
      • 2.Kxb4#
    • 1...axb6+
      • 2.Kxb6#
  • Keys
    • 1.Qg8!
      • threat
        • 2.Qd5#
      • 1...Qxd4+
        • 2.Kxd4#
      • 1...Rxc6+
        • 2.Kxc6#
      • 1...Bxb4+
        • 2.Kxb4#
      • 1...axb6+
        • 2.Kxb6#
      • 1...Qxf3
        • 2.Qxg6#
      • 1...Rxg8
        • 2.Kd6#
      • 1...Bxc4
        • 2.Kxc4#
      • 1...Qg3
        • 2.Bd3#
      • 1...Qe4
        • 2.Qxg6#
      • 1...Qf4
        • 2.Qxg6#
      • 1...Rd6
        • 2.Kxd6#
      • 1...Re6
        • 2.Qxe6#
      • 1...Bf4
        • 2.Bd3#
      • 1...Sf6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • Q(c);CHECK,XP(E)::R(G)+K(H),XQ(c)
    • R(f);::R(G)+K(H)
    • R(f);CHECK,XP(J)::R(G)+K(H),XR(f)
    • R(f);::R(G)+K(H),XR(f)
    • B(b);CHECK,XP(C)::R(G)+K(H),XB(b)
    • P(g);CHECK,XP(I)::R(G)+K(H),XP(g)
  • Actual
    • Q(M);
    • Threat
      • QAR2(M)
    • Vars
      • Q(c);CHECK,XP(E)::R(G)+K(H),XQ(c)
      • R(f);CHECK,XP(J)::R(G)+K(H),XR(f)
      • B(b);CHECK,XP(C)::R(G)+K(H),XB(b)
      • P(g);CHECK,XP(I)::R(G)+K(H),XP(g)
      • Q(c);N_GUARD,XP(B)::QAB1(M),XR(f)
      • R(f);XQ(M)::R(G)+K(H)
      • B(a);XB(D)::R(G)+K(H),XB(a)
      • Q(c);N_GUARD::B(D)
      • Q(c);N_GUARD::QAB1(M),XR(f)
      • R(f);::R(G)+K(H),XR(f)
      • R(f);N_GUARD::QAB1(M),XR(f)
      • B(b);S_CUTQ(c)::B(D)
      • S(h);S_CUTR(f)::QAB1(M)
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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).