MESON Chess Problem Database
Problem Display
PID: 70087 (KBB2n2/1n2P2q/N1p2p1R/2Nk1PP1/R2Pp3/2r1P3/1pP1r3/5Q2 w - - 0 1)
Lincoln, Robert A
Comm., Scacchi e Scienze Applicate, 2005
#2
14 + 10
| 145 | StrateGems | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5
- 2.Qxf5#
- 1...Re1
- 2.Sb4#
- 1...Rexc2
- 2.Sb4#
- 1...Rd2
- 2.Sb4#
- 1...Rf2
- 2.Sb4#
- 1...Rg2
- 2.Sb4#
- 1...Rh2
- 2.Sb4#
- 1...Ra3
- 2.c4#
- 1...Rb3
- 2.c4#
- 1...Rd3
- 2.c4#
- 1...Sd6
- 2.Sc7#
- 1...Se6
- 2.Bxe6#
- 1...Sg6
- 2.Be6#
- 1...fxg5
- 2.Sc7#
- 1...Qxf5
- Tries
- 1.Sxe4?
- threat
- 2.Sxc3#
- 2.Sxf6#
- 1...Qxf5
- 2.Sxc3#
- 2.Qxf5#
- 1...Qxh6
- 2.Sxc3#
- 1...Qxe7
- 2.Sxc3#
- 1...Rexc2
- 2.Sxf6#
- 1...Rexe3
- 2.Sxf6#
- 1...Rcxc2
- 2.Sxf6#
- 1...Rcxe3
- 2.Sxf6#
- 1...fxg5
- 2.Sxc3#
- 2.Sf6#
- 1...c5
- 2.Bxb7#
- 1...b1S
- 2.Sxf6#
- 1...Qg6
- 2.Sxc3#
- 1...Qf7
- 2.Sxc3#
- 1...Qg7
- 2.Sxc3#
- 1...Qh8
- 2.Sxc3#
- 1...Ra3
- 2.Sxf6#
- 1...Rb3
- 2.Sxf6#
- 1...Rd3
- 2.Sxf6#
- 1...Rc4
- 2.Sxf6#
- 1...Rc5
- 2.Sxf6#
- 1...Sd7
- 2.Sxc3#
- 1...Kxe4!
- threat
- 1.Se6?
- threat
- 2.Sf4#
- 1...Qxf5
- 2.Qxf5#
- 1...Sxe6
- 2.Bxe6#
- 1...fxg5
- 2.Sec7#
- 1...c5
- 2.Bxb7#
- 1...Rf2
- 2.Sb4#
- 1...Sg6!
- threat
- 1.Sd7?
- threat
- 2.Sb6#
- 2.Sxf6#
- 1...Qxf5
- 2.Sb6#
- 2.Qxf5#
- 1...Qxh6
- 2.Sb6#
- 1...Qxe7
- 2.Sb6#
- 1...fxg5
- 2.Sc7#
- 2.Sb6#
- 2.Sf6#
- 1...c5
- 2.Bxb7#
- 1...b1Q
- 2.Sxf6#
- 1...b1R
- 2.Sxf6#
- 1...Qg6
- 2.Sb6#
- 1...Qf7
- 2.Sb6#
- 1...Qg7
- 2.Sb6#
- 1...Qh8
- 2.Sb6#
- 1...Rb3
- 2.Sxf6#
- 2.c4#
- 1...Sxd7!
- threat
- 1.Bg3?
- threat
- 2.Sc7#
- 1...Se6
- 2.Bxe6#
- 1...Qxe7!
- threat
- 1.Bf4?
- threat
- 2.Sc7#
- 1...Se6
- 2.Bxe6#
- 1...Qxe7!
- threat
- 1.Be5?
- threat
- 2.Sc7#
- 1...Se6
- 2.Bxe6#
- 1...Qxe7!
- threat
- 1.Qf4?
- threat
- 2.Sc7#
- 2.Qxe4#
- 1...Qxf5
- 2.Sc7#
- 2.Qxf5#
- 1...Rexe3
- 2.Sc7#
- 1...Rcxe3
- 2.Sc7#
- 1...Rxc5
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 2.Qd6#
- 1...Sd6
- 2.Sc7#
- 2.Qxd6#
- 1...Se6
- 2.Bxe6#
- 2.Qxe4#
- 1...Qxe7!
- threat
- 1.Sxe4?
- Keys
- 1.Sd3!
- threat
- 2.Sf4#
- 1...Qxf5
- 2.Qxf5#
- 1...Rxd3
- 2.c4#
- 1...exd3
- 2.Qf3#
- 1...fxg5
- 2.Sc7#
- 1...c5
- 2.Bxb7#
- 1...Rf2
- 2.Sdb4#
- 1...Se6
- 2.Bxe6#
- 1...Sg6
- 2.Be6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(i);OGATE,XP(G)::QAR2(A),XQ(i)
- R(b);::S(I)
- R(b);XP(B)::S(I)
- R(c);OGATE::P(B)
- S(h);SBLOCK::S(I)
- S(j);N_GUARD::B(N),XS(j)
- S(j);N_GUARD::B(N)
- P(g);XP(H)::S(I)
- Tries
- Try
- S(F);XP(d)
- Threat
- DUALS(2)
- Vars
- Q(i);XR(J)::S(F),XR(c)
- Q(i);XP(K)::S(F),XR(c)
- R(b);XP(B)::S(F),XP(g)
- R(b);XP(C)::S(F),XP(g)
- R(c);XP(B)::S(F),XP(g)
- R(c);XP(C)::S(F),XP(g)
- P(f);OGATEB::B(N),XS(h)
- P(a);::S(F),XP(g)
- Q(i);::S(F),XR(c)
- R(c);::S(F),XP(g)
- S(j);::S(F),XR(c)
- Refutation
- K(e);S_FLIGHT,XS(F)
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(i);OGATE,XP(G)::QAR2(A),XQ(i)
- S(j);OGATE,XS(F)::B(N),XS(j)
- P(g);XP(H)::S(F)
- P(f);OGATEB::B(N),XS(h)
- R(b);::S(I)
- Refutation
- S(j);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(i);XR(J)::S(F)
- Q(i);XP(K)::S(F)
- P(f);OGATEB::B(N),XS(h)
- P(a);::S(F),XP(g)
- Q(i);::S(F)
- Refutation
- S(j);XS(F)
- Try
- B(M);
- Threat
- S(I)
- Vars
- S(j);N_GUARD::B(N),XS(j)
- Refutation
- Q(i);XP(K)
- Try
- B(M);
- Threat
- S(I)
- Vars
- S(j);N_GUARD::B(N),XS(j)
- Refutation
- Q(i);XP(K)
- Try
- B(M);
- Threat
- S(I)
- Vars
- S(j);N_GUARD::B(N),XS(j)
- Refutation
- Q(i);XP(K)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::S(I)
- R(c);XP(C)::S(I)
- R(c);XS(F)::S(I)
- Refutation
- Q(i);XP(K)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- Q(i);OGATE,XP(G)::QAR2(A),XQ(i)
- R(c);OGATE,XS(F)::P(B)
- P(d);OGATEB,XS(F)::QAB(A)
- P(g);XP(H)::S(I)
- P(f);OGATEB::B(N),XS(h)
- R(b);::S(F)
- S(j);N_GUARD::B(N),XS(j)
- S(j);N_GUARD::B(N)
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).