MESON Chess Problem Database

Problem Display
PID: 169895 (n1N1K3/PppRR1p1/2k5/3p4/P2B4/3P4/2b1rQN1/7B w - - 0 1)

Pinto Gomes, Mario Jose

SEPA, 1945

n1N1K3/PppRR1p1/2k5/3p4/P2B4/3P4/2b1rQN1/7B

#2

11 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Qxc2#
    • 1...Rd2
      • 2.Re6#
    • 1...Rxf2
      • 2.Re6#
    • 1...Re3
      • 2.Qxc2#
    • 1...Re4
      • 2.Qxc2#
    • 1...Re5
      • 2.Qxc2#
    • 1...Re6
      • 2.Rxe6#
      • 2.Qxc2#
    • 1...Rxe7+
      • 2.Sxe7#
    • 1...Sb6
      • 2.Rxc7#
  • Tries
    • 1.Se3?
      • threat
        • 2.Bxd5#
        • 2.Re6#
      • 1...Rxe3
        • 2.Bxd5#
        • 2.Qxc2#
      • 1...b5
        • 2.Bxd5#
      • 1...b6
        • 2.Bxd5#
      • 1...Bb3
        • 2.Re6#
      • 1...Sb6
        • 2.Rxc7#
        • 2.Re6#
      • 1...Bxa4!
    • 1.Qf6+?
      • 1...Re6
        • 2.Rxe6#
        • 2.Qxe6#
      • 1...gxf6!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Qc5#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Rxf2
        • 2.Re6#
      • 1...Sxb6
        • 2.Rxc7#
      • 1...cxb6
        • 2.Rd6#
      • 1...Re3
        • 2.Qxc2#
      • 1...d4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(b);OGATE::QAR(B),XB(a)
    • R(b);N_GUARD,N_PINR(I)::R(I)
    • R(b);N_GUARD,N_PINR(I),XQ(B)::R(I)
    • R(b);CHECK,XR(I)::S(J),XR(b)
    • S(h);N_GUARD::R1(H),XP(f)
  • Tries
    • Try
      • S(C);N_SPINR(I),P_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);::B(A),XP(c)
        • B(a);::R(I)
      • Refutation
        • B(a);XP(E)
    • Try
      • Q(B);CHECK
      • Refutation
        • P(g);XQ(B)
  • Actual
    • B(F);
    • Threat
      • QAR1(B)
    • Vars
      • R(b);CHECK,XR(I)::S(J),XR(b)
      • R(b);N_GUARD,N_PINR(I),XQ(B)::R(I)
      • S(h);N_GUARD,XB(F)::R1(H),XP(f)
      • P(f);N_GUARD,XB(F)::R1(H)
      • R(b);OGATE::QAR(B),XB(a)
      • P(c);::B(A)+S(C)
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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).