MESON Chess Problem Database

Problem Display
PID: 120855 (7K/8/6p1/1N2k3/2P3B1/2N5/4p3/b2bRQ2 w - - 0 1)

Novis Filho, Mario

Tolna megyei nepujsag, 1965-1966

7K/8/6p1/1N2k3/2P3B1/2N5/4p3/b2bRQ2

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb3
      • 2.Rxe2#
    • 1...Ba4
      • 2.Rxe2#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Qf4#
      • 1...g5
        • 2.Qf5#
      • 1...Ke4+!
    • 1.Bxe2?
      • threat
        • 2.Bxd1#
      • 1...Ke6
        • 2.Bg4#
      • 1...Bxe2
        • 2.Rxe2#
      • 1...Bc2
        • 2.Bd3#
      • 1...Bb3
        • 2.Bd1#
        • 2.Bd3#
        • 2.Bg4#
        • 2.Bh5#
      • 1...Ba4
        • 2.Bd1#
        • 2.Bd3#
        • 2.Bg4#
        • 2.Bh5#
      • 1...Bxc3!
  • Keys
    • 1.Sxe2!
      • threat
        • 2.Qf4#
      • 1...Ke4+
        • 2.Sec3#
      • 1...Bxe2
        • 2.Rxe2#
      • 1...g5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::R(A),XP(c)
    • P(e);N_GUARD::QAR1(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • P(e);N_GUARD::QAR1(B)
      • Refutation
        • K(d);CHECK,P-FLIGHT
    • Try
      • B(E);XP(c)
      • Threat
        • R(A)+B(E),XB(b)
      • Vars
        • K(d);P-FLIGHT,P_PINS(C)::R(A)+B(E),DCHECK
        • B(b);OGATE,P_SPINB(b),XB(E)::R(A),XB(b)
        • B(b);N_GUARD::R(A)+B(E)
      • Refutation
        • B(a);XS(C)
  • Actual
    • S(C);XP(c)
    • Threat
      • QAB1(B)
    • Vars
      • K(d);CHECK,P-FLIGHT::R(A)+S(C),DCHECK
      • B(b);OGATE,P_SPINB(b),XS(C)::R(A),XB(b)
      • P(e);N_GUARD::QAR1(B)
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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).