MESON Chess Problem Database

Problem Display
PID: 251402 (2R1B3/2n2Q1r/2b1N3/n3p3/2kpR1p1/P1NpP3/1KP5/8 w - - 0 1)

Gomez, Luis

Problemas, 2021

2R1B3/2n2Q1r/2b1N3/n3p3/2kpR1p1/P1NpP3/1KP5/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Bb5#
    • 1...Bb5
      • 2.Bxb5#
    • 1...Bd5
      • 2.Bb5#
    • 1...Bb7
      • 2.Bb5#
    • 1...Ba8
      • 2.Bb5#
    • 1...Sb3
      • 2.cxb3#
    • 1...dxc2
      • 2.Qf1#
    • 1...d2
      • 2.Qf1#
  • Tries
    • 1.Bxc6?
      • threat
        • 2.Bb5#
        • 2.Bd5#
      • 1...dxc2
        • 2.Bb5#
        • 2.Qf1#
      • 1...Sb5
        • 2.Bxb5#
        • 2.Bd5#
      • 1...Sd5
        • 2.Bb5#
        • 2.Bxd5#
      • 1...Sxc6!
    • 1.Qf1?
      • threat
        • 2.Qxd3#
        • 2.cxd3#
      • 1...Bxe4
        • 2.Bb5#
      • 1...Rh2
        • 2.Qxd3#
      • 1...Sxe6!
  • Keys
    • 1.exd4!
      • threat
        • 2.d5#
      • 1...Bxe4
        • 2.Bb5#
      • 1...Sxe6
        • 2.Qxe6#
      • 1...dxc2
        • 2.Qf1#
      • 1...exd4
        • 2.Rxd4#
      • 1...Bd5
        • 2.Bb5#
      • 1...Sb3
        • 2.cxb3#
      • 1...Sb5
        • 2.Sg7#
      • 1...Sd5
        • 2.dxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(g);N_SPINP(c),OGATE,P_SPINS(h),XR(F)::B(J)
    • B(g);OGATE,P_SPINS(h)::B(J),XB(g)
    • B(g);OGATE,P_SPINS(h)::B(J)
    • S(e);OGATE::P(B),XS(e)
    • P(a);OGATEB,XP(B)::QAB(H)
    • P(a);OGATEB::QAB(H)
  • Tries
    • Try
      • B(J);XB(g)
      • Threat
        • DUALS(2)
      • Refutation
        • S(e);XB(J)
    • Try
      • Q(H);N_PINP(c),P_PINP(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(g);OGATE,P_SPINS(h),XR(F)::B(J)
        • R(i);P_PINP(B)::QAB1(H),XP(a)
      • Refutation
        • S(h);P_SPINB(g),XS(G)
  • Actual
    • P(E);XP(c)
    • Threat
      • R(F)+P(E)
    • Vars
      • B(g);OGATE,P_SPINS(h),XR(F)::B(J)
      • S(h);OGATE,P_SPINB(g),P_SPINS(h),XS(G)::QAB(H),XS(h)
      • P(a);OGATEB,XP(B)::QAB(H)
      • P(f);OGATE,P_SPINP(f),XP(E)::R1(F),XP(f)
      • B(g);OGATE,P_SPINS(h)::B(J)
      • S(e);OGATE::P(B),XS(e)
      • S(h);N_GUARD,P_SPINB(g)::QAB(H)+S(G)
      • S(h);P_SPINB(g)::R(F)+P(E),XP(f)
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).