MESON Chess Problem Database
Problem Display
PID: 117420 (B1r2q1b/p1nN4/3N1n2/K1Q2r2/4p3/2pk2P1/1P4RR/6B1 w - - 0 1)
Llamas, Juan Garcia
TMCE I, 1970
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Se5#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Rf3
- 2.Se5#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Rf4
- 2.Se5#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Rxc5+
- 2.Sxc5#
- 1...Re5
- 2.Sxe5#
- 1...Sg4
- 2.Bxe4#
- 1...Sfd5
- 2.Qc4#
- 1...Sh5
- 2.Bxe4#
- 1...Sxd7
- 2.Bxe4#
- 1...Sh7
- 2.Bxe4#
- 1...Sfe8
- 2.Bxe4#
- 1...Sg8
- 2.Bxe4#
- 1...Sb5
- 2.Qe3#
- 1...Scd5
- 2.Qd4#
- 1...cxb2
- 2.Rd2#
- 1...c2
- 2.Rd2#
- 1...Rf1
- Tries
- 1.Ka4?
- threat
- 2.Qe3#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Qxd6
- 2.Qxc3#
- 1...Rxc5
- 2.Sxc5#
- 1...Sxd7
- 2.Bxe4#
- 2.Qe3#
- 2.Qc4#
- 1...Sxa8
- 2.Qe3#
- 2.Qd4#
- 1...cxb2
- 2.Rd2#
- 2.Qa3#
- 2.Qe3#
- 2.Qd4#
- 2.Qc2#
- 2.Qc4#
- 1...Qh6
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Qf7
- 2.Qe3#
- 2.Qd4#
- 2.Qxc3#
- 1...Qg8
- 2.Qe3#
- 2.Qd4#
- 2.Qxc3#
- 1...Rf3
- 2.Se5#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Rd5
- 2.Qe3#
- 2.Qxc3#
- 2.Qc4#
- 1...Sg4
- 2.Bxe4#
- 2.Qc4#
- 1...Sfd5
- 2.Qc4#
- 1...Sh5
- 2.Bxe4#
- 2.Qe3#
- 2.Qc4#
- 1...Sh7
- 2.Bxe4#
- 2.Qe3#
- 2.Qc4#
- 1...Sfe8
- 2.Bxe4#
- 2.Qe3#
- 2.Qc4#
- 1...Sg8
- 2.Bxe4#
- 2.Qe3#
- 2.Qc4#
- 1...Sb5
- 2.Qe3#
- 1...Scd5
- 2.Qd4#
- 1...Sa6
- 2.Qe3#
- 2.Qd4#
- 1...Se6
- 2.Qe3#
- 1...Sce8
- 2.Qe3#
- 2.Qd4#
- 1...c2
- 2.Rd2#
- 2.Qa3#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc2#
- 2.Qc3#
- 2.Qc4#
- 1...e3
- 2.Qxe3#
- 2.Qxc3#
- 2.Qc4#
- 1...Rf2!
- threat
- 1.Re2?
- threat
- 2.Re3#
- 1...Rxc5+
- 2.Sxc5#
- 1...Rf2
- 2.Qe3#
- 2.Qc4#
- 1...Rf3
- 2.Se5#
- 2.Qd4#
- 2.Qxc3#
- 2.Qc4#
- 1...Sg4
- 2.Bxe4#
- 1...Sfd5
- 2.Qc4#
- 1...Scd5
- 2.Qd4#
- 1...e3
- 2.Rxe3#
- 1...Qh6!
- threat
- 1.Qxf5?
- threat
- 2.Sc5#
- 2.Se5#
- 2.Qf1#
- 1...Qxd6
- 2.Qf1#
- 1...Sxd7
- 2.Bxe4#
- 2.Qxe4#
- 1...Sxa8
- 2.Se5#
- 2.Qf1#
- 1...Qe7
- 2.Sc5#
- 2.Qf1#
- 1...Qe8
- 2.Sc5#
- 2.Qf1#
- 1...Re8
- 2.Sc5#
- 2.Qf1#
- 1...Sg4
- 2.Sc5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sfd5
- 2.Sc5#
- 2.Qxe4#
- 1...Sh5
- 2.Sc5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sh7
- 2.Sc5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sfe8
- 2.Sc5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sg8
- 2.Sc5#
- 2.Bxe4#
- 2.Qxe4#
- 1...Sb5
- 2.Se5#
- 2.Qf1#
- 1...Scd5
- 2.Se5#
- 2.Qf1#
- 1...Sa6
- 2.Se5#
- 2.Qf1#
- 1...Se6
- 2.Se5#
- 2.Qf1#
- 1...Sce8
- 2.Se5#
- 2.Qf1#
- 1...cxb2!
- threat
- 1.Ka4?
- Keys
- 1.Rc2!
- threat
- 2.Rxc3#
- 1...Rxc5+
- 2.Sxc5#
- 1...Sxd7
- 2.Bxe4#
- 1...cxb2
- 2.Rcd2#
- 2.Rc3#
- 2.Rhd2#
- 1...Rf2
- 2.Qxc3#
- 1...Sg4
- 2.Bxe4#
- 1...Sfd5
- 2.Qc4#
- 1...Sh5
- 2.Bxe4#
- 1...Sh7
- 2.Bxe4#
- 1...Sfe8
- 2.Bxe4#
- 1...Sg8
- 2.Bxe4#
- 1...Sb5
- 2.Qe3#
- 1...Scd5
- 2.Qd4#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(d);CHECK,XQ(G)::S(I),XR(d)
- R(d);N_GUARD::S(I),XR(d)
- S(e);N_GUARD::B(J),XP(c)
- S(e);N_PINQ(G)::QAB1(G)
- S(e);N_GUARD,XS(I)::B(J),XP(c)
- S(g);N_PINQ(G)::QAR1(G)
- P(a);N_GUARD,XP(B)::R1(C)
- P(a);N_GUARD::R1(C)
- Tries
- Try
- K(F);N_SPINQ(G),P-FLIGHT
- Threat
- DUALS(4)
- Vars
- Q(i);XS(H)::QAR1(G),XP(a)
- R(d);XQ(G)::S(I),XR(d)
- S(e);::QAB1(G)
- S(g);::QAR1(G)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(d);CHECK,XQ(G)::S(I),XR(d)
- S(e);N_GUARD::B(J),XP(c)
- S(e);N_PINQ(G)::QAB1(G)
- S(g);N_PINQ(G)::QAR1(G)
- P(c);::R1(C),XP(c)
- Refutation
- Q(i);
- Try
- Q(G);N_SPINQ(G),P_PINP(c),XR(d)
- Threat
- DUALS(3)
- Vars
- Q(i);XS(H)::QAB(G)
- Refutation
- P(a);XP(B)
- Try
- Actual
- R(C);
- Threat
- R1(C),XP(a)
- Vars
- R(d);CHECK,XQ(G)::S(I),XR(d)
- S(e);N_GUARD,XS(I)::B(J),XP(c)
- R(d);N_PINQ(G)::QAR1(G),XP(a)
- S(e);N_GUARD::B(J),XP(c)
- S(e);N_PINQ(G)::QAB1(G)
- S(g);N_PINQ(G)::QAR1(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).