MESON Chess Problem Database
Problem Display
PID: 270822 (3B2RK/2P5/4Q2p/3r1n2/2N1pk2/1B5p/5PbP/4n1N1 w - - 0 1)
Echemendia, Luis
Garzon-60 JT (Problemas), 2023
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Rd4
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rxd8
- 2.Qe5#
- 1...Bf3
- 2.Sxh3#
- 1...Sf3
- 2.Se2#
- 1...Se3
- 2.fxe3#
- 1...Sg3
- 2.Rg4#
- 2.Qg4#
- 2.fxg3#
- 2.hxg3#
- 1...Sd4
- 2.Rg4#
- 2.Qg4#
- 1...Sh4
- 2.Rg4#
- 2.Qg4#
- 1...Sd6
- 2.Rg4#
- 2.Qg4#
- 1...Se7
- 2.Rg4#
- 2.Qg4#
- 1...Rd1
- Tries
- 1.Sd2?
- threat
- 2.Se2#
- 1...Bf1
- 2.Qxe4#
- 1...Bf3
- 2.Sxh3#
- 1...Sg3
- 2.Rg4#
- 2.hxg3#
- 1...Sd4
- 2.Rg4#
- 1...Rxd2!
- threat
- 1.Se3?
- threat
- 2.Sxd5#
- 2.Rg4#
- 1...Rxd8
- 2.Qxf5#
- 1...Rd1
- 2.Rg4#
- 2.Qxf5#
- 1...Rd2
- 2.Rg4#
- 2.Qxf5#
- 1...Rd3
- 2.Rg4#
- 2.Qxf5#
- 1...Rd4
- 2.Rg4#
- 2.Qxf5#
- 1...Ra5
- 2.Rg4#
- 1...Rb5
- 2.Rg4#
- 1...Rc5
- 2.Rg4#
- 1...Re5
- 2.Rg4#
- 1...Rd6
- 2.Rg4#
- 2.Qxf5#
- 1...Rd7
- 2.Rg4#
- 2.Qxf5#
- 1...Bf3
- 2.Sxh3#
- 2.Sxd5#
- 1...Se7
- 2.Rg4#
- 1...Sg7
- 2.Sxd5#
- 1...h5
- 2.Sxd5#
- 2.Bg5#
- 1...Sxe3!
- threat
- 1.Se5?
- threat
- 2.Se2#
- 2.Rg4#
- 1...Rxd8
- 2.Se2#
- 1...e3
- 2.Rg4#
- 1...Rd2
- 2.Rg4#
- 1...Bf1
- 2.Rg4#
- 1...Bf3
- 2.Sxh3#
- 1...Se3
- 2.Se2#
- 2.Sg6#
- 1...Sg3
- 2.Sg6#
- 2.Rg4#
- 2.hxg3#
- 1...Sd4
- 2.Sg6#
- 2.Rg4#
- 1...Sg7
- 2.Se2#
- 2.Sg6#
- 1...h5
- 2.Se2#
- 2.Bg5#
- 1...Rxe5!
- threat
- 1.Qg6?
- threat
- 2.Qg4#
- 1...Bf3
- 2.Sxh3#
- 1...Se3
- 2.fxe3#
- 1...h5
- 2.Qg5#
- 1...Sg7!
- threat
- 1.f3?
- threat
- 2.Rg4#
- 2.Qxe4#
- 1...Rxd8
- 2.Qxe4#
- 2.Qe5#
- 1...Bxf3
- 2.Sxh3#
- 1...Sxf3
- 2.Se2#
- 1...Rd4
- 2.Rg4#
- 2.Qe5#
- 1...Re5
- 2.Rg4#
- 2.Qxe5#
- 1...Se3
- 2.Qxe4#
- 1...Sg3
- 2.Rg4#
- 2.Qg4#
- 2.hxg3#
- 1...Sd6
- 2.Rg4#
- 2.Qg4#
- 1...Sg7
- 2.Qg4#
- 2.Qxe4#
- 1...e3
- 2.Rg4#
- 2.Qe4#
- 1...h5
- 2.Bg5#
- 2.Qxe4#
- 1...exf3!
- threat
- 1.Sd2?
- Keys
- 1.Bd1!
- threat
- 2.Rg4#
- 1...Rxd1
- 2.Qe5#
- 1...Rxd8
- 2.Qe5#
- 1...Bf3
- 2.Sxh3#
- 1...Sf3
- 2.Se2#
- 1...Se3
- 2.fxe3#
- 1...Sg7
- 2.Qg4#
- 1...h5
- 2.Bg5#
- threat
- 1.Bd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(f);N_GUARD::QAB1(F)
- R(f);N_GUARD::QAB1(F),XR(f)
- R(f);N_GUARD,P_PINR(I),XB(H)::QAB1(F)
- B(b);N_GUARD,SBLOCK::S(A),XP(c)
- S(a);SBLOCK::S(A)
- S(g);OGATE::P(B),XS(g)
- Tries
- Try
- S(E);
- Threat
- S(A)
- Vars
- B(b);N_GUARD::QAR1(F),XP(d)
- B(b);N_GUARD::S(A),XP(c)
- S(g);::R1(I)
- Refutation
- R(f);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,P_PINR(I),XB(H)::QAR1(F),XS(g)
- R(f);::R1(I)
- S(g);::R1(I)
- S(g);::S(E),XR(f)
- Refutation
- S(g);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);P_PINR(I),XB(H)::S(A)
- P(d);::R1(I)
- R(f);::R1(I)
- B(b);::R1(I)
- B(b);N_GUARD::S(A),XP(c)
- Refutation
- R(f);XS(E)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- B(b);N_GUARD,SBLOCK::S(A),XP(c)
- S(g);OGATE::P(B),XS(g)
- P(h);N_GUARD::QAB1(F)
- Refutation
- S(g);
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,SBLOCK,XP(B)::S(A),XP(c)
- S(a);SBLOCK,XP(B)::S(A)
- S(g);::QAR1(F),XP(d)
- Refutation
- P(d);XP(B)
- Try
- Actual
- B(D);
- Threat
- R1(I)
- Vars
- R(f);N_GUARD,XB(D)::QAB1(F)
- R(f);N_GUARD,P_PINR(I),XB(H)::QAB1(F)
- B(b);N_GUARD::S(A),XP(c)
- S(a);SBLOCK::S(A)
- S(g);OGATE::P(B),XS(g)
- S(g);OGATE::QAR1(F)
- P(h);N_GUARD::B(H)
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).