MESON Chess Problem Database
Problem Display
PID: 157819 (2R1n3/3pK2p/b7/NBNk3r/1P1pp3/6Qp/2P3rB/n5b1 w - - 0 1)
Armeni, Alberto
1st Comm., Best Problems, 2008
#2
9 + 12
| 4901 | Best Problems | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Qg8#
- 1...Rd2
- 2.Qg8#
- 1...Re2
- 2.Qg8#
- 1...Rh4
- 2.Qe5#
- 1...Re5+
- 2.Qxe5#
- 1...Rh6
- 2.Qe5#
- 1...Bb7
- 2.Bc4#
- 1...Bxc8
- 2.Bc4#
- 1...Sxc2
- 2.Qb3#
- 1...Sb3
- 2.Qxb3#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qd6#
- 1...Sc7
- 2.Qd6#
- 1...Sg7
- 2.Qd6#
- 1...e3
- 2.Qf3#
- 1...d6
- 2.Bc6#
- 1...Rxc2
- Tries
- 1.Sd3?
- threat
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Qg8#
- 1...Bxc8
- 2.Bc4#
- 1...exd3
- 2.Qf3#
- 1...e3
- 2.Qf3#
- 1...Sc7
- 2.Qd6#
- 1...d6
- 2.Bc6#
- 1...Sb3!
- threat
- 1.Sa4?
- threat
- 2.Sb6#
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Sb6#
- 2.Qg8#
- 1...Rxg3
- 2.Rc5#
- 1...Bxc8
- 2.Sb6#
- 2.Bc4#
- 1...e3
- 2.Qf3#
- 1...Rh6
- 2.Rc5#
- 2.Qe5#
- 1...Sb3
- 2.Sb6#
- 2.Qxb3#
- 1...Sc7
- 2.Sb6#
- 2.Qd6#
- 1...d6
- 2.Sb6#
- 2.Bc6#
- 1...d3!
- threat
- 1.Sxa6?
- threat
- 2.Bc4#
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Qg8#
- 1...Rxg3
- 2.Rc5#
- 1...e3
- 2.Qf3#
- 1...Sb3
- 2.Bc4#
- 2.Qxb3#
- 1...Sd6
- 2.Sc7#
- 2.Rc5#
- 2.Qxd6#
- 1...Sc7
- 2.Sxc7#
- 2.Bc4#
- 2.Qd6#
- 1...d6
- 2.Bc4#
- 2.Bc6#
- 1...d3!
- threat
- 1.Se6?
- threat
- 2.Rc5#
- 1...Bxc8
- 2.Bc4#
- 1...e3
- 2.Qf3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc7
- 2.Sxc7#
- 2.Qd6#
- 1...d3
- 2.c4#
- 1...d6
- 2.Bc6#
- 1...Rxc2!
- threat
- 1.Scb7?
- threat
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Qg8#
- 1...e3
- 2.Qf3#
- 1...Sb3
- 2.Qxb3#
- 1...Sc7
- 2.Qd6#
- 1...d6
- 2.Bc6#
- 1...d3!
- threat
- 1.Sxd7?
- threat
- 2.Sb6#
- 2.Bc6#
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Sb6#
- 2.Qg8#
- 1...Rxg3
- 2.Bc6#
- 2.Rc5#
- 1...Bxb5
- 2.Sb6#
- 2.Rc5#
- 1...Bxc8
- 2.Sb6#
- 2.Bc4#
- 2.Bc6#
- 1...e3
- 2.Bc6#
- 2.Qf3#
- 1...Rh6
- 2.Rc5#
- 2.Qe5#
- 1...Bb7
- 2.Sb6#
- 2.Bc4#
- 2.Rc5#
- 1...Sb3
- 2.Sb6#
- 2.Bc6#
- 2.Qxb3#
- 1...Sc7
- 2.Sb6#
- 2.Sf6#
- 2.Bc6#
- 2.Qd6#
- 1...d3!
- threat
- 1.Qf4?
- threat
- 2.Qxe4#
- 2.Qf7#
- 1...Re5+
- 2.Qxe5#
- 1...Rxh2
- 2.Qxe4#
- 1...Bxh2
- 2.Qxe4#
- 1...d3
- 2.Qxe4#
- 1...Re2
- 2.Qf7#
- 1...Rf2
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rg4
- 2.Qf7#
- 1...Rg6
- 2.Qxe4#
- 1...Rh4
- 2.Qe5#
- 2.Qf5#
- 2.Qf7#
- 1...Rf5
- 2.Qxe4#
- 2.Qxf5#
- 1...Rh6
- 2.Qe5#
- 2.Qxe4#
- 2.Qf5#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qd6#
- 1...Sc7
- 2.Qd6#
- 2.Qxe4#
- 1...Sg7
- 2.Qd6#
- 2.Qxe4#
- 1...e3
- 2.Qf3#
- 2.Qe4#
- 2.Qf7#
- 1...Rg7+!
- threat
- 1.Sd3?
- Keys
- 1.Scb3!
- threat
- 2.Rc5#
- 1...Re5+
- 2.Qxe5#
- 1...Rxc2
- 2.Qg8#
- 1...Bxc8
- 2.Bc4#
- 1...Sxb3
- 2.Qxb3#
- 1...e3
- 2.Qf3#
- 1...Sc7
- 2.Qd6#
- 1...d3
- 2.c4#
- 1...d6
- 2.Bc6#
- threat
- 1.Scb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(c);N_GUARD,XP(A)::QAB(C)
- R(c);N_GUARD::QAB(C)
- R(h);N_GUARD::QAR1(C)
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- B(i);N_GUARD::B(F)
- B(i);N_GUARD,XR(I)::B(F)
- S(a);N_GUARD,XP(A)::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(l);N_GUARD::QAR1(C),XS(l)
- S(l);N_GUARD::QAR1(C)
- P(f);OGATEB::QAB(C)
- P(j);N_GUARD::B(F)
- Tries
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);N_GUARD,XP(A)::QAB(C)
- B(i);N_GUARD,XR(I)::B(F)
- P(f);OGATEB,XS(G)::QAB(C)
- P(f);OGATEB::QAB(C)
- S(l);N_GUARD::QAR1(C)
- P(j);N_GUARD::B(F)
- Refutation
- S(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);XQ(C)::R1(I)
- P(f);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- S(G);XB(i)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);N_GUARD,XP(A)::QAB(C)
- R(c);XQ(C)::R1(I)
- P(f);OGATEB::QAB(C)
- Refutation
- P(e);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- B(i);N_GUARD,XR(I)::B(F)
- P(f);OGATEB::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(e);N_GUARD::P(A)
- P(j);N_GUARD::B(F)
- Refutation
- R(c);XP(A)
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);N_GUARD,XP(A)::QAB(C)
- P(f);OGATEB::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- S(l);N_GUARD::QAR1(C)
- P(j);N_GUARD::B(F)
- Refutation
- P(e);
- Try
- S(G);XP(j)
- Threat
- DUALS(3)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- Refutation
- P(e);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);XB(B)::QAB1(C),XP(f)
- B(b);XB(B)::QAB1(C),XP(f)
- P(e);::QAB1(C),XP(f)
- R(c);::QAB(C)
- R(c);::QAB1(C),XP(f)
- S(l);N_GUARD::QAR1(C),XS(l)
- S(l);N_GUARD::QAR1(C)
- Refutation
- R(c);CHECK
- Try
- Actual
- S(G);
- Threat
- R1(I)
- Vars
- R(h);CHECK,N_GUARD::QAR1(C),XR(h)
- R(c);N_GUARD,XP(A)::QAB(C)
- B(i);N_GUARD,XR(I)::B(F)
- S(a);OGATE,XS(G)::QAB(C),XS(a)
- P(f);OGATEB::QAB(C)
- S(l);N_GUARD::QAR1(C)
- P(e);N_GUARD::P(A)
- P(j);N_GUARD::B(F)
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).