MESON Chess Problem Database
Problem Display
PID: 165080 (K2n2N1/4N3/5R2/3Bk1pp/1p1p3n/4p3/7P/5Q2 w - - 0 1)
Preziosi, Bruno
Revista Romana de Sah, 1957
#2
7 + 8
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...e2
- 2.Qxe2#
- 1...d3
- 2.Qa1#
- 1...g4
- 2.Qf4#
- 1...Sg2
- Tries
- 1.Sg6+?
- 1...Sxg6
- 2.Qf5#
- 1...Kxd5!
- 1...Sxg6
- 1.Ra6?
- threat
- 2.Qf6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3!
- threat
- 1.Rb6?
- threat
- 2.Qf6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3!
- threat
- 1.Rc6?
- threat
- 2.Qf6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3!
- threat
- 1.Rg6?
- threat
- 2.Qf6#
- 1...Se6
- 2.Rxe6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3!
- threat
- 1.Rh6?
- threat
- 2.Qf6#
- 1...Se6
- 2.Rxe6#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3!
- threat
- 1.Qc4?
- threat
- 2.Qc7#
- 1...Sf5
- 2.Sg6#
- 1...Sc6
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...Sf7
- 2.Sc6#
- 1...d3
- 2.Qe4#
- 1...Se6!
- threat
- 1.Qa6?
- threat
- 2.Qd6#
- 1...Sf5
- 2.Rxf5#
- 1...d3
- 2.Qa1#
- 1...Se6
- 2.Qxe6#
- 1...Sb7
- 2.Qe6#
- 1...Sf7
- 2.Qe6#
- 1...Sc6!
- threat
- 1.Qb1?
- threat
- 2.Qe4#
- 1...d3
- 2.Qa1#
- 2.Qb2#
- 1...Se6!
- threat
- 1.Qf2?
- threat
- 2.Qg3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qxe3#
- 2.Qb2#
- 1...Sg2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Sg6
- 2.Qf5#
- 1...exf2!
- threat
- 1.Qf3?
- threat
- 2.Qe4#
- 2.Qg3#
- 1...Se6
- 2.Rxe6#
- 1...d3
- 2.Qe4#
- 2.Qxe3#
- 1...Sg2
- 2.Sg6#
- 2.Qe4#
- 2.Qf5#
- 1...Sf5
- 2.Sg6#
- 2.Qe4#
- 2.Qxf5#
- 1...Sg6
- 2.Sxg6#
- 2.Qe4#
- 2.Qf5#
- 1...Sxf3!
- threat
- 1.Sg6+?
- Keys
- 1.Qh3!
- threat
- 2.Qg3#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qxe6#
- 1...d3
- 2.Qxe3#
- 1...Sg2
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- threat
- 1.Qh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::QAR1(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- S(h);N_GUARD::R1(D)
- S(h);N_GUARD::R1(D),XS(h)
- P(a);OGATEB::QAR(A),XP(a)
- P(c);OGATEB::QAB(A)
- P(f);N_GUARD::QAB1(A)
- Tries
- Try
- S(E);CHECK
- Vars
- S(d);XS(E)::QAR1(A)
- Refutation
- K(e);P-FLIGHT,XB(C)
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- S(h);N_GUARD::R1(D),XS(h)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);
- Try
- R(D);
- Threat
- QAB1(A)
- Vars
- S(h);N_GUARD::R1(D),XS(h)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(d);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(d);N_GUARD::S(E)
- S(h);N_GUARD::S(E),XS(h)
- S(h);N_GUARD::S(E)
- P(c);OGATE::QAR1(A)
- Refutation
- S(h);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- P(c);OGATEB::QAB(A)
- S(h);N_GUARD::QAR1(A),XS(h)
- S(h);N_GUARD::QAR1(A)
- Refutation
- S(h);
- Try
- Q(A);
- Threat
- QAR1(A)
- Refutation
- S(h);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(h);N_GUARD::R1(D),XS(h)
- S(d);N_GUARD::QAR1(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::R1(D),XS(h)
- Refutation
- S(d);XQ(A)
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- S(d);N_GUARD::QAR1(A),XS(d)
- S(h);N_GUARD::QAR1(A),XS(h)
- P(c);N_GUARD::QAR2(A),XP(a)
- S(d);N_GUARD::QAR1(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).