MESON Chess Problem Database
Problem Display
PID: 245497 (8/1K4B1/7R/3kn3/8/5N2/2Q5/8 w - - 0 1)
Shumarin, Vladimir Pavlovich
Smena (Moscow), 2001
#2
5 + 2
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Qc6#
- 1...Sxf3
- 2.Qc6#
- 1...Sg4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sd3
- Tries
- 1.Kc7?
- threat
- 2.Rd6#
- 1...Sd3
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sc4!
- threat
- 1.Sd2?
- 1...Sg6
- 2.Qc6#
- 1...Sc4
- 2.Qxc4#
- 1...Sd3
- 2.Qc4#
- 2.Qc6#
- 1...Sf3
- 2.Qc4#
- 2.Qc6#
- 1...Sg4
- 2.Qc4#
- 2.Qc6#
- 1...Sc6
- 2.Qc4#
- 2.Qxc6#
- 1...Sd7
- 2.Qc4#
- 2.Qc6#
- 1...Sf7
- 2.Qc4#
- 2.Qc6#
- 1...Kd4!
- 1...Sg6
- 1.Bf8?
- threat
- 2.Rd6#
- 1...Sd3
- 2.Qxd3#
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc4
- 2.Qd3#
- 1...Sf7
- 2.Qd3#
- 2.Qc6#
- 1...Sxf3!
- threat
- 1.Bh8?
- 1...Sxf3
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sg4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sc4!
- 1...Sxf3
- 1.Ra6?
- 1...Sxf3
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg4
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sc4!
- 1...Sxf3
- 1.Rb6?
- 1...Sxf3
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg4
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sc4!
- 1...Sxf3
- 1.Rg6?
- 1...Sxf3
- 2.Qc6#
- 1...Sxg6
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sg4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Sc4!
- 1...Sxf3
- 1.Qd3+?
- 1...Kc5
- 2.Bf8#
- 1...Sxd3!
- 1...Kc5
- 1.Qa4?
- threat
- 2.Qd4#
- 1...Sxf3
- 2.Qc6#
- 1...Sc4
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Kc5!
- threat
- 1.Qc3?
- threat
- 2.Qd4#
- 1...Sxf3
- 2.Qc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Ke4!
- threat
- 1.Qc7?
- 1...Sxf3
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc4
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sg4
- 2.Qc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Ke4!
- 1...Sxf3
- 1.Qc8?
- 1...Sxf3
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sg6
- 2.Qc6#
- 1...Sc4
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sg4
- 2.Qc6#
- 1...Sd7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Ke4!
- 1...Sxf3
- 1.Kc7?
- Keys
- 1.Rc6!
- 1...Sxf3
- 2.Qc4#
- 1...Sxc6
- 2.Qxc6#
- 1...Sd3
- 2.Qxd3#
- 2.Qc4#
- 1...Sc4
- 2.Qd3#
- 2.Qxc4#
- 1...Sg4
- 2.Qd3#
- 2.Qc4#
- 1...Sg6
- 2.Qd3#
- 2.Qc4#
- 1...Sd7
- 2.Qd3#
- 2.Qc4#
- 1...Sf7
- 2.Qd3#
- 2.Qc4#
- 1...Sxf3
- 1.Rc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::QAB1(A)
- Refutation
- S(b);
- Try
- S(B);
- Vars
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- K(a);P-FLIGHT,P_SPINS(b)
- Try
- B(E);
- Threat
- R1(C)
- Vars
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAR2(A)
- Refutation
- S(b);XS(B)
- Try
- B(E);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- S(b);
- Try
- R(C);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD,XR(C)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- S(b);
- Try
- Q(A);CHECK
- Vars
- K(a);P-FLIGHT::B(E)
- Refutation
- S(b);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(b);N_GUARD::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- R(C);
- Vars
- S(b);N_GUARD,XS(B)::QAB1(A)
- S(b);OGATE,XR(C)::QAB1(A),XS(b)
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).