MESON Chess Problem Database

Problem Display
PID: 183227 (8/1n6/6P1/1P1RBp2/2k1q3/P2Np3/1PB1P1Q1/1K6 w - - 0 1)

von Sponer, Gyorgy Janos Andor

Pesti Naplo, 1907

8/1n6/6P1/1P1RBp2/2k1q3/P2Np3/1PB1P1Q1/1K6

#2

11 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Bb3#
    • 1...Qxd3
      • 2.exd3#
    • 1...Qf4
      • 2.b3#
    • 1...Qg4
      • 2.b3#
    • 1...Qh4
      • 2.b3#
    • 1...Qxe5
      • 2.Sxe5#
    • 1...Sa5
      • 2.Rc5#
    • 1...Sc5
      • 2.Rxc5#
    • 1...Sd6
      • 2.Rc5#
    • 1...Sd8
      • 2.Rc5#
    • 1...f4
      • 2.Qxe4#
  • Tries
    • 1.Ka2?
      • threat
        • 2.Bb3#
      • 1...Kxd5
        • 2.Bb3#
      • 1...Qxd3
        • 2.Bxd3#
        • 2.exd3#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sa5
        • 2.Rc5#
      • 1...Qxd5!
  • Keys
    • 1.Ba4!
      • 1...Qxd3+
        • 2.exd3#
      • 1...Kxd5
        • 2.Bb3#
      • 1...Qxg2
        • 2.Rd4#
      • 1...Qxd5
        • 2.b3#
      • 1...Qxe5
        • 2.Sxe5#
      • 1...Qf3
        • 2.Rd4#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qf4
        • 2.b3#
      • 1...Qg4
        • 2.b3#
      • 1...Qh4
        • 2.b3#
      • 1...Sa5
        • 2.Rc5#
      • 1...Sc5
        • 2.Rxc5#
      • 1...Sd6
        • 2.Rc5#
      • 1...Sd8
        • 2.Rc5#
      • 1...f4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINQ(c),S_FLIGHT,XR(I)::B(C)
    • Q(c);OGATE,P_PINB(C),XS(G)::P(D),XQ(c)
    • Q(c);::P(B)
    • Q(c);XB(J)::S(G),XQ(c)
    • S(e);N_GUARD::R1(I)
    • S(e);N_GUARD::R1(I),XS(e)
    • P(d);N_GUARD::QAR2(E),XQ(c)
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • B(C)
      • Vars
        • K(b);P_SPINQ(c),S_FLIGHT,XR(I)::B(C)
        • S(e);N_GUARD::R1(I),XS(e)
        • S(e);N_GUARD::R1(I)
      • Refutation
        • Q(c);XR(I)
  • Actual
    • B(C);P_SPINS(G)
    • Vars
      • Q(c);CHECK,OGATE,XS(G)::P(D),XQ(c)
      • K(b);P_SPINQ(c),S_FLIGHT,XR(I)::B(C)
      • Q(c);N_GUARD,N_PINS(G),XQ(E)::R1(I)
      • Q(c);N_PINS(G),XR(I)::P(B)
      • Q(c);N_PINS(G),XB(J)::S(G),XQ(c)
      • Q(c);N_GUARD,N_PINS(G)::R1(I)
      • Q(c);N_GUARD,N_PINS(G)::R1(I),XQ(c)
      • Q(c);N_PINS(G)::P(B)
      • S(e);N_GUARD::R1(I)
      • S(e);N_GUARD::R1(I),XS(e)
      • P(d);N_GUARD::QAR2(E),XQ(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).