MESON Chess Problem Database
Problem Display
PID: 60765 (2r2Qr1/2p4b/n7/2p1R1pq/2Nk3p/1Bpp2b1/3N4/K1B5 w - - 0 1)
Legentil, Georges
Bulletin de la FFE, 1927
#2
7 + 13
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Sxf3#
- 1...Qg6
- 2.Sf3#
- 1...Qe8
- 2.Sf3#
- 1...Qh6
- 2.Sf3#
- 1...Bf2
- 2.Qxf2#
- 1...Bh2
- 2.Qf2#
- 1...Sb4
- 2.Qxc5#
- 1...Sb8
- 2.Qxc5#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...c6
- 2.Qd6#
- 1...Qf3
- Tries
- 1.Qf3?
- threat
- 2.Rd5#
- 2.Qd5#
- 2.Qe3#
- 1...Qxf3
- 2.Sxf3#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...Qf7
- 2.Qe3#
- 1...Rcd8
- 2.Qe3#
- 1...Rgd8
- 2.Qe3#
- 1...Bf2
- 2.Rd5#
- 2.Qd5#
- 2.Qxf2#
- 1...Bf4
- 2.Rd5#
- 2.Qd5#
- 1...Be4
- 2.Qxe4#
- 2.Qe3#
- 1...Sb4
- 2.Qe3#
- 1...g4
- 2.Qd5#
- 2.Qe3#
- 1...c6
- 2.Qe3#
- 1...Bxe5!
- threat
- 1.Qf5?
- threat
- 2.Re4#
- 2.Rd5#
- 2.Qd7#
- 1...Bxe5
- 2.Qxe5#
- 1...cxd2
- 2.Bb2#
- 1...c2
- 2.Bb2#
- 1...Qg4
- 2.Rd5#
- 1...Qe2
- 2.Rd5#
- 2.Qd7#
- 1...Qf3
- 2.Sxf3#
- 1...Qg6
- 2.Sf3#
- 2.Re4#
- 2.Rd5#
- 1...Qf7
- 2.Sf3#
- 2.Re4#
- 1...Qe8
- 2.Sf3#
- 2.Rd5#
- 1...Qh6
- 2.Sf3#
- 2.Re4#
- 2.Rd5#
- 1...Rcd8
- 2.Re4#
- 1...Rce8
- 2.Rd5#
- 2.Qd7#
- 1...Rg6
- 2.Re4#
- 2.Rd5#
- 2.Qe4#
- 1...Rg7
- 2.Re4#
- 2.Rd5#
- 1...Rgd8
- 2.Re4#
- 1...Rge8
- 2.Rd5#
- 2.Qd7#
- 1...Sb4
- 2.Re4#
- 1...Sb8
- 2.Re4#
- 2.Rd5#
- 1...c6
- 2.Re4#
- 2.Qd7#
- 1...Bxf5!
- threat
- 1.Qf3?
- Keys
- 1.Sa5!
- threat
- 2.Sc6#
- 1...Kxe5
- 2.Sc6#
- 1...Bxe5
- 2.Qf2#
- 1...cxd2
- 2.Bb2#
- 1...Be4
- 2.Rxe4#
- 1...c2
- 2.Bb2#
- 1...Qf3
- 2.Sxf3#
- 1...Qg6
- 2.Sf3#
- 1...Qe8
- 2.Sf3#
- 1...Qh6
- 2.Sf3#
- 1...Rg6
- 2.Re4#
- 1...Sb4
- 2.Qxc5#
- 1...Sb8
- 2.Qxc5#
- 1...c6
- 2.Qd6#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- Q(h);N_GUARD::S(C),XQ(h)
- Q(h);N_GUARD::S(C)
- B(c);N_GUARD::QAB(G),XB(c)
- B(c);N_GUARD::QAB(G)
- S(i);N_GUARD::QAB1(G),XP(f)
- P(a);OGATEB,XS(C)::B(B)
- P(a);OGATEB::B(B)
- P(j);N_GUARD::QAR2(G)
- Tries
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- Q(h);XQ(G)::S(C),XQ(h)
- P(a);OGATEB,XS(C)::B(B)
- P(a);OGATEB::B(B)
- Q(h);::QAB1(G)
- R(l);::QAB1(G)
- R(m);::QAB1(G)
- S(i);::QAB1(G)
- P(j);::QAB1(G)
- Refutation
- B(c);XR(F)
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,XR(F)::QAB1(G),XB(c)
- P(a);OGATEB,XS(C)::B(B)
- P(a);OGATEB::B(B)
- Q(h);::R1(F)
- Q(h);N_GUARD::S(C),XQ(h)
- R(l);::R1(F)
- R(m);::R1(F)
- S(i);::R1(F)
- Refutation
- B(k);XQ(G)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- K(d);S_FLIGHT,XR(F)::S(E)
- B(c);N_GUARD,SBLOCK,XR(F)::QAB(G)
- P(a);OGATEB,XS(C)::B(B)
- B(k);N_GUARD::R1(F),XB(k)
- P(a);OGATEB::B(B)
- Q(h);N_GUARD::S(C),XQ(h)
- Q(h);N_GUARD::S(C)
- R(m);S_CUTB(k)::R1(F)
- S(i);N_GUARD::QAB1(G),XP(f)
- P(j);N_GUARD::QAR2(G)
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).