MESON Chess Problem Database
Problem Display
PID: 180372 (Q5R1/1R6/8/3n4/4PN2/2p2kP1/2B5/4KN2 w - - 0 1)
Lider, Valentin Viktorovich
Sinfonie Scacchistiche, 1973
#2
9 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Se3
- 2.Sh2#
- 1...Se3
- Tries
- 1.Rb1?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Rb3?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 2.Rxc3#
- 1...Sf6
- 2.Bd1#
- 2.Rxc3#
- 1...Sc7
- 2.Bd1#
- 2.Rxc3#
- 1...Se7
- 2.Bd1#
- 2.Rxc3#
- 1...Sxf4!
- 1...Se3
- 1.Rb4?
- threat
- 2.Bd1#
- 1...Se3
- 2.Sh2#
- 1...Sxf4!
- threat
- 1.Rb5?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Rb6?
- 1...Sxb6
- 2.Bd1#
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Sxb6
- 1.Ra7?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Rc7?
- 1...Sxc7
- 2.Bd1#
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 2.Rxc3#
- 1...Sf6
- 2.Bd1#
- 2.Rxc3#
- 1...Se7
- 2.Bd1#
- 2.Rxc3#
- 1...Sxf4!
- 1...Sxc7
- 1.Rd7?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 2.Rd3#
- 1...Sf6
- 2.Bd1#
- 2.Rd3#
- 1...Sc7
- 2.Bd1#
- 2.Rd3#
- 1...Se7
- 2.Bd1#
- 2.Rd3#
- 1...Sxf4!
- 1...Se3
- 1.Re7?
- threat
- 2.Bd1#
- 1...Se3
- 2.Sh2#
- 1...Sxf4!
- threat
- 1.Rbg7?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Rh7?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Rbb8?
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4!
- 1...Se3
- 1.Qa1?
- threat
- 2.Qd1#
- 1...Se3
- 2.Sh2#
- 1...Sxf4!
- threat
- 1.Qa5?
- 1...Sb4
- 2.Qh5#
- 1...Se3
- 2.Sh2#
- 1...Sb6
- 2.Qxc3#
- 2.Qh5#
- 1...Sf6
- 2.Qxc3#
- 1...Sc7
- 2.Qxc3#
- 2.Qh5#
- 1...Se7
- 2.Qxc3#
- 2.Qh5#
- 1...Sxf4!
- 1...Sb4
- 1.Qa7?
- threat
- 2.Sh2#
- 2.Qf2#
- 1...Sxf4
- 2.Qf2#
- 1...Se3
- 2.Sh2#
- 2.Qxe3#
- 1...Sb6!
- threat
- 1.Qc8?
- threat
- 2.Qg4#
- 1...Se3
- 2.Sh2#
- 1...Sf6
- 2.Qxc3#
- 1...Sxf4!
- threat
- 1.Qd8?
- 1...Sb4
- 2.Qd1#
- 1...Se3
- 2.Sh2#
- 1...Sb6
- 2.Qd1#
- 2.Qd3#
- 1...Sf6
- 2.Qd1#
- 2.Qd3#
- 1...Sc7
- 2.Qd1#
- 2.Qd3#
- 1...Se7
- 2.Qd1#
- 2.Qd3#
- 1...Sxf4!
- 1...Sb4
- 1.Qe8?
- threat
- 2.Bd1#
- 2.Qh5#
- 1...Se3
- 2.Sh2#
- 1...Sf6
- 2.Bd1#
- 1...Se7
- 2.Qh5#
- 1...Sxf4!
- threat
- 1.e5?
- 1...Sxf4
- 2.Rf7#
- 1...Sb4
- 2.Rxb4#
- 1...Se3
- 2.Sh2#
- 1...Sb6
- 2.Rxb6#
- 1...Sc7
- 2.Rxc7#
- 1...Se7
- 2.Rxe7#
- 1...Sf6!
- 1...Sxf4
- 1.Rb1?
- Keys
- 1.Rf7!
- 1...Sxf4
- 2.e5#
- 1...Se3
- 2.Sh2#
- 1...Sb4
- 2.Bd1#
- 1...Sb6
- 2.Bd1#
- 1...Sf6
- 2.Bd1#
- 1...Sc7
- 2.Bd1#
- 1...Se7
- 2.Bd1#
- 1...Sxf4
- 1.Rf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK::S(B)
- Tries
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);P_PINP(a)
- Vars
- S(c);N_SPINP(a),SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Threat
- B(C)
- Vars
- S(c);SBLOCK::S(B)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);XR(G)::B(C)
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);XR(G)::B(C)
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Threat
- B(C)
- Vars
- S(c);SBLOCK::S(B)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- R(G);
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- Refutation
- S(c);XS(F)
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- S(c);SBLOCK::S(B)
- Refutation
- S(c);XS(F)
- Try
- Q(H);
- Vars
- S(c);OGATE::QAB(H)
- S(c);SBLOCK::S(B)
- S(c);N_GUARD::QAR(H),XP(a)
- Refutation
- S(c);XS(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(c);XS(F)::QAR1(H)
- Refutation
- S(c);
- Try
- Q(H);
- Threat
- QAB1(H)
- Vars
- S(c);SBLOCK::S(B)
- S(c);N_GUARD::QAR(H),XP(a)
- Refutation
- S(c);XS(F)
- Try
- Q(H);
- Vars
- S(c);OGATE::QAB(H)
- S(c);SBLOCK::S(B)
- Refutation
- S(c);XS(F)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(c);SBLOCK::S(B)
- S(c);::B(C)
- S(c);::QAB(H)
- Refutation
- S(c);XS(F)
- Try
- P(E);
- Vars
- S(c);OGATEB,XS(F)::QAB(H)+R(G)
- S(c);OGATEB::QAB(H)+R(G),XS(c)
- S(c);SBLOCK::S(B)
- Refutation
- S(c);
- Try
- Actual
- R(G);
- Vars
- S(c);P_SPINS(c),XS(F)::QAB(H)+P(E)
- S(c);SBLOCK::S(B)
- S(c);::B(C)
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).