MESON Chess Problem Database
Problem Display
PID: 149184 (qr5B/1PP3b1/Pp3p1Q/2N2kNP/7K/4P3/8/1R1b4 w - - 0 1)
Dikusarov, Andrey Nikolayovich
Best Problems, 2010
#2
11 + 7
| 15148 | Sadier Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bf8
- 2.Qxf6#
- 1...fxg5+
- 2.Qxg5#
- 1...Bf8
- Tries
- 1.Sd3?
- threat
- 2.Rb5#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...Qxb7
- 2.Qg6#
- 2.Qh7#
- 1...Qxa6
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...Rxh8
- 2.Rb5#
- 2.Qg6#
- 2.e4#
- 1...Bxh5
- 2.Rb5#
- 2.e4#
- 1...Bxh6
- 2.Rb5#
- 2.e4#
- 1...Rd8
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...Re8
- 2.Qg6#
- 2.Qh7#
- 1...Bb3
- 2.Rf1#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...Bf3
- 2.Qg6#
- 2.Qh7#
- 1...Ba4
- 2.Rf1#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...Bf8
- 2.Qxf6#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...b5
- 2.Rxb5#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...fxg5+!
- threat
- 1.Sd7?
- threat
- 2.Rb5#
- 2.Qg6#
- 2.Qh7#
- 1...Qxb7
- 2.Qg6#
- 2.Qh7#
- 1...Qxa6
- 2.Qg6#
- 2.Qh7#
- 1...Rxh8
- 2.Rb5#
- 2.Qg6#
- 1...Bxh5
- 2.Rb5#
- 1...Bxh6
- 2.Rb5#
- 1...Re8
- 2.Qg6#
- 2.Qh7#
- 1...Be2
- 2.Qg6#
- 2.Qh7#
- 1...Bb3
- 2.Rf1#
- 2.Qg6#
- 2.Qh7#
- 1...Bf3
- 2.Qg6#
- 2.Qh7#
- 1...Ba4
- 2.Rf1#
- 2.Qg6#
- 2.Qh7#
- 1...Bf8
- 2.Qxf6#
- 2.Qg6#
- 2.Qh7#
- 1...b5
- 2.Rxb5#
- 2.Qg6#
- 2.Qh7#
- 1...fxg5+!
- threat
- 1.cxb8Q?
- threat
- 2.Qf4#
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...fxg5+
- 2.Qxg5#
- 1...Qxb7
- 2.Qf4#
- 2.Qg6#
- 2.Qh7#
- 1...Bxh5
- 2.Qf4#
- 2.e4#
- 1...Bxh6
- 2.Qf4#
- 2.e4#
- 1...Bc2
- 2.Rf1#
- 2.Qf4#
- 2.Qg6#
- 2.Qh7#
- 1...Bf3
- 2.Qf4#
- 2.Qg6#
- 2.Qh7#
- 1...Qxb8!
- threat
- 1.cxb8B?
- threat
- 2.Qg6#
- 2.Qh7#
- 2.e4#
- 1...fxg5+
- 2.Qxg5#
- 1...Qxb7
- 2.Qg6#
- 2.Qh7#
- 1...Bxh5
- 2.e4#
- 1...Bxh6
- 2.e4#
- 1...Bc2
- 2.Rf1#
- 2.Qg6#
- 2.Qh7#
- 1...Bf3
- 2.Qg6#
- 2.Qh7#
- 1...Qxb8!
- threat
- 1.c8Q+?
- 1...Ke5
- 2.Qe6#
- 1...Rxc8!
- 1...Ke5
- 1.Sd3?
- Keys
- 1.Rb5!
- threat
- 2.Sb3#
- 2.Sd3#
- 2.Sa4#
- 2.Sce4#
- 2.Sce6#
- 2.Sd7#
- 1...fxg5+
- 2.Qxg5#
- 1...Ke5
- 2.Sce4#
- 1...Qxb7
- 2.Sxb7#
- 1...Qxa6
- 2.Sxa6#
- 1...bxc5
- 2.Rxc5#
- 1...Rd8
- 2.Sd7#
- 1...Re8
- 2.Sce6#
- 1...Be2
- 2.Sd3#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sce4#
- 1...Ba4
- 2.Sxa4#
- 1...Bf8
- 2.Qxf6#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::QAR1(H),XP(d)
- P(d);CHECK,OGATE,XS(E)::QAR1(H),XP(d)
- Tries
- Try
- S(D);
- Threat
- DUALS(4)
- Refutation
- P(d);CHECK,XS(E)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- B(a);XP(F)::R(A)
- B(e);XQ(H)::R(A)
- Refutation
- P(d);CHECK,XS(E)
- Try
- P(J);XR(g)
- Threat
- DUALS(4)
- Vars
- P(d);CHECK,OGATE,XS(E)::QAR1(H),XP(d)
- Refutation
- Q(f);XQ(J)
- Try
- P(J);XR(g)
- Threat
- DUALS(3)
- Vars
- P(d);CHECK,OGATE,XS(E)::QAR1(H),XP(d)
- B(a);XP(F)::P(B)
- B(e);XQ(H)::P(B)
- Refutation
- Q(f);XB(J)
- Try
- P(J);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(J)
- Refutation
- R(g);XQ(J)
- Try
- Actual
- R(A);
- Threat
- DUALS(6)
- Vars
- P(d);CHECK,OGATE,XS(E)::QAR1(H),XP(d)
- K(b);P-FLIGHT::R(A)+S(D)
- Q(f);XP(I)::R(A)+S(D),XQ(f)
- Q(f);XP(G)::R(A)+S(D),XQ(f)
- P(c);OGATE,P_SPINP(c),XS(D)::R(A),XP(c)
- R(g);::R(A)+S(D)
- B(a);::R(A)+S(D)
- B(a);::R(A)+S(D),XB(a)
- B(e);N_GUARD::QAR1(H),XP(d)
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).