MESON Chess Problem Database
Problem Display
PID: 110038 (1rN3Kn/5p2/7R/pr3kpp/P7/4R2P/5pN1/1bQ5 w - - 0 1)
Salardini, Erio
Il Littorale, 1929-1931
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb2
- 2.Qc5#
- 1...Rb3
- 2.Qc5#
- 1...Rb4
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...R5b6
- 2.Qc5#
- 1...R5b7
- 2.Qc5#
- 1...R8b6
- 2.Se7#
- 1...R8b7
- 2.Sd6#
- 1...Rxc8+
- 2.Qxc8#
- 1...Ba2
- 2.Qc2#
- 1...Bc2
- 2.Qxc2#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rb2
- Tries
- 1.Kg7?
- threat
- 2.Sd6#
- 2.Se7#
- 2.Rf6#
- 1...Rxc8
- 2.Rf6#
- 2.Qxc8#
- 1...g4
- 2.Rxh5#
- 1...Rd5
- 2.Se7#
- 2.Rf6#
- 1...Re5
- 2.Sd6#
- 2.Rf6#
- 1...R5b6
- 2.Se7#
- 2.Qc5#
- 1...R5b7
- 2.Sd6#
- 2.Rf6#
- 2.Qc5#
- 1...R8b6
- 2.Se7#
- 1...R8b7
- 2.Sd6#
- 2.Rf6#
- 1...Sg6
- 2.Sd6#
- 1...f6
- 2.Sd6#
- 2.Se7#
- 2.Rxf6#
- 1...Be4!
- threat
- 1.Qc3?
- threat
- 2.Rf6#
- 2.Qf6#
- 1...Rxc8+
- 2.Qxc8#
- 1...g4
- 2.Qf6#
- 1...Re5
- 2.Rxe5#
- 2.Qxe5#
- 1...R5b6
- 2.Re5#
- 2.Qe5#
- 2.Qc5#
- 1...R8b6
- 2.Se7#
- 1...f6
- 2.Rxf6#
- 2.Qxf6#
- 1...Sg6!
- threat
- 1.Qc6?
- threat
- 2.Rf6#
- 2.Qf3#
- 2.Qd7#
- 2.Qf6#
- 1...Rxc8+
- 2.Qxc8#
- 1...Be4
- 2.Qxe4#
- 2.Qf6#
- 1...g4
- 2.Rxh5#
- 2.Qf6#
- 1...f1Q
- 2.Rf6#
- 2.Qd7#
- 2.Qf6#
- 1...f1R
- 2.Rf6#
- 2.Qd7#
- 2.Qf6#
- 1...Rb4
- 2.Rf6#
- 2.Qd5#
- 2.Qd7#
- 2.Qc5#
- 2.Qf6#
- 1...Rd5
- 2.Rf6#
- 2.Qxd5#
- 2.Qf6#
- 1...Re5
- 2.Rf3#
- 2.Rf6#
- 2.Qf3#
- 2.Qf6#
- 1...R5b6
- 2.Rf6#
- 2.Qf3#
- 2.Qd5#
- 2.Qc5#
- 1...R5b7
- 2.Rf6#
- 2.Qf3#
- 2.Qd5#
- 2.Qc5#
- 2.Qf6#
- 1...R8b6
- 2.Sd6#
- 2.Se7#
- 2.Rf6#
- 2.Qf3#
- 1...R8b7
- 2.Sd6#
- 2.Rf6#
- 2.Qf3#
- 2.Qf6#
- 1...Ba2
- 2.Rf6#
- 2.Qf3#
- 2.Qe4#
- 2.Qc2#
- 2.Qf6#
- 1...f6
- 2.Rxf6#
- 2.Qf3#
- 2.Qd7#
- 2.Qe6#
- 2.Qxf6#
- 1...Sg6!
- threat
- 1.Kg7?
- Keys
- 1.Qc4!
- 1...Rxc8+
- 2.Qxc8#
- 1...Be4
- 2.Qxe4#
- 1...Sg6
- 2.Qxf7#
- 1...g4
- 2.Qf4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rb2
- 2.Qd5#
- 2.Qc5#
- 1...Rb3
- 2.Qd5#
- 2.Qc5#
- 1...Rb4
- 2.Qd5#
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...R5b6
- 2.Qd5#
- 2.Qc5#
- 1...R5b7
- 2.Qd5#
- 2.Qc5#
- 1...R8b6
- 2.Se7#
- 1...R8b7
- 2.Sd6#
- 1...Ra8
- 2.Qxb5#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...h4
- 2.Qg4#
- 1...f6
- 2.Qe6#
- 1...Rxc8+
- 1.Qc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 6
- Sets
- R(d);N_GUARD::QAR(A)
- R(d);N_GUARD::QAR(A),XR(d)
- R(i);N_PINS(G)::S(G)
- R(i);CHECK,OGATE,XS(G)::QAB(A),XR(i)
- B(a);N_GUARD::QAB(A)
- B(a);N_GUARD::QAB(A),XB(a)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- Tries
- Try
- K(H);N_SPINS(G),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- P(f);OGATEB::R(F),XP(g)
- R(i);::S(G)
- S(j);::S(G)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(i);CHECK,OGATE,XS(G)::QAB(A),XR(i)
- P(f);::QAR1(A)
- R(i);N_PINS(G)::S(G)
- Refutation
- S(j);
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(i);CHECK,OGATE,XS(G)::QAB(A),XR(i)
- Refutation
- S(j);
- Try
- Actual
- Q(A);
- Vars
- R(i);CHECK,OGATE,XS(G)::QAB(A),XR(i)
- B(a);N_GUARD::QAB1(A),XB(a)
- S(j);N_GUARD::QAR2(A),XP(h)
- P(f);N_GUARD::QAR1(A)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- R(d);N_GUARD::QAR(A),XR(d)
- R(d);N_GUARD::QAR2(A),XR(d)
- R(d);SBLOCK::R(C)
- R(i);N_PINS(G)::S(G)
- R(i);N_GUARD::QAR(A),XR(d)
- B(a);N_GUARD::QAB(A),XB(a)
- P(g);N_GUARD::QAB1(A)
- P(h);N_GUARD::QAB1(A)
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).