MESON Chess Problem Database

Problem Display
PID: 17186 (4K1Q1/pp3N1p/2p2R2/2N2P2/rR1nbk1q/b1p2B1P/3r1PP1/2B2n2 w - - 0 1)

Marin y Llovet, Valentin

Falkirk Herald, 1925

4K1Q1/pp3N1p/2p2R2/2N2P2/rR1nbk1q/b1p2B1P/3r1PP1/2B2n2

#2

12 + 13

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Qg5#
    • 1...Qg5
      • 2.Qxg5#
    • 1...Qxf6
      • 2.Qg4#
    • 1...Qxh3
      • 2.Qg5#
    • 1...Qg4
      • 2.Qxg4#
    • 1...Qh6
      • 2.Qg4#
    • 1...Bb1
      • 2.Se6#
    • 1...Bc2
      • 2.Se6#
    • 1...Bd3
      • 2.Sxd3#
      • 2.Se6#
    • 1...Bd5
      • 2.Sd3#
    • 1...Bxf5
      • 2.Sd3#
      • 2.Se6#
    • 1...Sc2
      • 2.Sd3#
      • 2.Se6#
    • 1...Se2
      • 2.Sd3#
      • 2.Se6#
    • 1...Sb3
      • 2.Sd3#
      • 2.Se6#
    • 1...Sxf3
      • 2.Sd3#
      • 2.Se6#
    • 1...Sb5
      • 2.Sd3#
      • 2.Se6#
    • 1...Sxf5
      • 2.Sd3#
      • 2.Se6#
    • 1...Se6
      • 2.Sd3#
      • 2.Sxe6#
  • Tries
    • 1.Rxd4?
      • threat
        • 2.Sd3#
        • 2.Se6#
      • 1...Qxf2
        • 2.Qg5#
      • 1...Qxf6
        • 2.Qg4#
      • 1...Rxd4
        • 2.Se6#
      • 1...Bxc1
        • 2.Se6#
      • 1...Se3
        • 2.Se6#
      • 1...Bxc5!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Qb8#
      • 1...Bxf5+
        • 2.Se6#
      • 1...Sc2+
        • 2.Sd3#
      • 1...Se2+
        • 2.Sd3#
      • 1...Sb3+
        • 2.Sd3#
      • 1...Sxf3+
        • 2.Sd3#
      • 1...Sb5+
        • 2.Sd3#
      • 1...Sxf5+
        • 2.Sd3#
      • 1...Se6+
        • 2.Sd3#
      • 1...Qxf2
        • 2.Qg5#
      • 1...Qxf6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 7
  • Sets
    • Q(i);N_GUARD,XP(B)::QAB1(L)
    • Q(i);N_GUARD::QAB1(L),XQ(i)
    • Q(i);N_GUARD,XR(I)::QAR1(L)
    • Q(i);N_GUARD,XP(E)::QAB1(L)
    • Q(i);N_GUARD::QAR1(L),XQ(i)
    • Q(i);N_GUARD::QAR1(L)
    • B(g);P_SPINS(f)::S(G)
    • B(g);N_GUARD,P_SPINS(f)::S(G)
  • Tries
    • Try
      • R(F);P_PINB(g),XS(f)
      • Threat
        • DUALS(2)
      • Vars
        • Q(i);N_GUARD,XP(B)::QAB1(L)
        • Q(i);N_GUARD,XR(I)::QAR1(L)
        • R(e);N_SPINB(g),XR(F)::S(G)
        • B(c);N_SPINR(b),XB(A)::S(G)
        • S(a);N_SPINR(b)::S(G)
      • Refutation
        • B(c);XS(G)
  • Actual
    • K(K);S_FLIGHT
    • Threat
      • QAB(L)
    • Vars
      • B(g);CHECK,P_SPINB(g),P_SPINS(f),XP(H)::S(G)
      • S(f);CHECK,P_SPINB(g)::S(G)
      • S(f);CHECK,P_SPINB(g),XB(D)::S(G)
      • S(f);CHECK,P_SPINB(g),P_SPINS(f),XP(H)::S(G)
      • Q(i);N_GUARD,XP(B)::QAB1(L)
      • Q(i);N_GUARD,XR(I)::QAR1(L)
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).