MESON Chess Problem Database

Problem Display
PID: 276971 (B1n5/3p2pP/7N/bRP1kP1N/1B1p1p2/8/pP2pPP1/Q6K w - - 0 1)

Garzon Roger, Jose Antonio

Peris-120 MT (Problemas), 2024

B1n5/3p2pP/7N/bRP1kP1N/1B1p1p2/8/pP2pPP1/Q6K

#2

13 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.cxd6#
    • 1...e1Q+
      • 2.Qxe1#
    • 1...e1S
      • 2.Qxe1#
    • 1...e1B
      • 2.Qxe1#
    • 1...e1R+
      • 2.Qxe1#
    • 1...d3
      • 2.b3#
    • 1...d5
      • 2.cxd5 ep#
    • 1...d6
      • 2.cxd6#
    • 1...g5
      • 2.h8Q#
      • 2.h8B#
    • 1...g6
      • 2.h8Q#
      • 2.h8B#
  • Tries
    • 1.h8Q?
      • threat
        • 2.Qxg7#
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Bd8!
    • 1.h8S?
      • threat
        • 2.Sg6#
        • 2.S8f7#
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...d3
        • 2.b3#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Sd6
        • 2.Sg6#
        • 2.cxd6#
      • 1...Se7
        • 2.S8f7#
      • 1...g6
        • 2.Sxg6#
        • 2.S8f7#
      • 1...gxh6!
    • 1.h8B?
      • threat
        • 2.Bxg7#
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Bd8!
  • Keys
    • 1.g4!
      • threat
        • 2.Sf7#
      • 1...e1Q+
        • 2.Qxe1#
      • 1...e1R+
        • 2.Qxe1#
      • 1...gxh6
        • 2.h8Q#
        • 2.h8B#
      • 1...fxg4 ep
        • 2.f4#
      • 1...d3
        • 2.b3#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Sd6
        • 2.cxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(i);OGATE::R(G)+P(H),XS(i)
    • P(b);CHECK,OGATEB::QAR(A),XQ(b)
    • P(b);OGATEB::QAR(A),XS(b)
    • P(b);OGATEB::QAR(A),XB(b)
    • P(b);CHECK,OGATEB::QAR(A),XR(b)
    • P(c);::QAB(A)+P(C)
    • P(g);OGATE::R(G)+P(H),XP(g),EP
    • P(g);OGATE::R(G)+P(H),XP(g)
    • P(h);::P=Q
  • Tries
    • Try
      • P(L);P_PINP(h)
      • Threat
        • QAB(L),XP(h)
      • Vars
        • P(b);CHECK,OGATEB::QAR(A),XQ(b)
        • P(b);CHECK,OGATEB::QAR(A),XR(b)
        • P(g);OGATE::R(G)+P(H),XP(g),EP
      • Refutation
        • B(e);
    • Try
      • P(L);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);CHECK,OGATEB::QAR(A),XQ(b)
        • P(b);CHECK,OGATEB::QAR(A),XR(b)
        • P(c);::QAB(A)+P(C)
        • P(g);OGATE::R(G)+P(H),XP(g),EP
        • S(i);::S(L)
      • Refutation
        • P(h);XS(K)
    • Try
      • P(L);P_PINP(h)
      • Threat
        • B(L),XP(h)
      • Vars
        • P(b);CHECK,OGATEB::QAR(A),XQ(b)
        • P(b);CHECK,OGATEB::QAR(A),XR(b)
        • P(g);OGATE::R(G)+P(H),XP(g),EP
      • Refutation
        • B(e);
  • Actual
    • P(E);
    • Threat
      • S(K)
    • Vars
      • P(b);CHECK,OGATEB::QAR(A),XQ(b)
      • P(b);CHECK,OGATEB::QAR(A),XR(b)
      • P(h);XS(K)::P=Q
      • P(d);EP,OGATE,XP(E)::P(D)
      • P(c);::QAB(A)+P(C)
      • P(g);OGATE::R(G)+P(H),XP(g),EP
      • S(i);OGATE::R(G)+P(H),XS(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).