MESON Chess Problem Database

Problem Display
PID: 202656 (Bb2RN2/2k1pp2/Rp2b3/p2pP3/P1pP2p1/2K3Q1/1P6/8 w - - 0 1)

Csillag, Antal

Uj Nemezdek, 1923

Bb2RN2/2k1pp2/Rp2b3/p2pP3/P1pP2p1/2K3Q1/1P6/8

#2

10 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.e6#
    • 1...Bd7
      • 2.e6#
    • 1...Bc8
      • 2.e6#
    • 1...Ba7
      • 2.Rxa7#
    • 1...b5
      • 2.Rc6#
    • 1...f5
      • 2.exf5 ep#
    • 1...f6
      • 2.exf6#
  • Tries
    • 1.Kc2?
      • 1...Bd7
        • 2.e6#
      • 1...Bc8
        • 2.e6#
      • 1...Ba7
        • 2.Rxa7#
      • 1...c3
        • 2.Qxc3#
      • 1...b5
        • 2.Rc6#
      • 1...f5
        • 2.exf5 ep#
      • 1...f6
        • 2.exf6#
      • 1...Bf5+!
    • 1.Qf4?
      • 1...b5
        • 2.Rc6#
      • 1...Bf5
        • 2.e6#
      • 1...Bd7
        • 2.e6#
      • 1...Bc8
        • 2.e6#
      • 1...Ba7
        • 2.Rxa7#
      • 1...f5
        • 2.exf5 ep#
      • 1...f6
        • 2.exf6#
      • 1...g3!
    • 1.b3?
      • 1...Bd7
        • 2.e6#
      • 1...Bf5
        • 2.e6#
      • 1...Bc8
        • 2.e6#
      • 1...Ba7
        • 2.Rxa7#
      • 1...b5
        • 2.Rc6#
      • 1...f5
        • 2.exf5 ep#
      • 1...f6
        • 2.exf6#
      • 1...cxb3!
  • Keys
    • 1.Kd2!
      • 1...c3+
        • 2.Qxc3#
      • 1...Bf5
        • 2.e6#
      • 1...Bd7
        • 2.e6#
      • 1...Bc8
        • 2.e6#
      • 1...Ba7
        • 2.Rxa7#
      • 1...b5
        • 2.Rc6#
      • 1...f5
        • 2.exf5 ep#
      • 1...f6
        • 2.exf6#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE::QAB(C)+P(F)
    • B(j);N_GUARD::R(G),XB(j)
    • P(e);OGATE::R1(G)
    • P(i);OGATE::QAB(C)+P(F),XP(i),EP
    • P(i);OGATE::QAB(C)+P(F),XP(i)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • B(f);OGATE::QAB(C)+P(F)
        • B(j);N_GUARD::R(G),XB(j)
        • P(a);OGATEB::QAR(C),XP(a)
        • P(e);OGATE::R1(G)
        • P(i);OGATE::QAB(C)+P(F),XP(i),EP
        • P(i);OGATE::QAB(C)+P(F),XP(i)
      • Refutation
        • B(f);CHECK
    • Try
      • Q(C);
      • Vars
        • P(e);OGATE::R1(G)
        • B(f);OGATE::QAB(C)+P(F)
        • B(j);N_GUARD::R(G),XB(j)
        • P(i);OGATE::QAB(C)+P(F),XP(i),EP
        • P(i);OGATE::QAB(C)+P(F),XP(i)
      • Refutation
        • P(b);
    • Try
      • P(A);
      • Vars
        • B(f);OGATE::QAB(C)+P(F)
        • B(j);N_GUARD::R(G),XB(j)
        • P(e);OGATE::R1(G)
        • P(i);OGATE::QAB(C)+P(F),XP(i),EP
        • P(i);OGATE::QAB(C)+P(F),XP(i)
      • Refutation
        • P(a);XP(A)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • P(a);CHECK,OGATEB::QAR(C),XP(a)
      • B(f);OGATE::QAB(C)+P(F)
      • B(j);N_GUARD::R(G),XB(j)
      • P(e);OGATE::R1(G)
      • P(i);OGATE::QAB(C)+P(F),XP(i),EP
      • P(i);OGATE::QAB(C)+P(F),XP(i)
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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).