MESON Chess Problem Database
Problem Display
PID: 79521 (8/5N2/3p4/2R5/2Bk4/Q7/1K6/8 w - - 0 1)
Caburis, L
Darba Dzive, 1938
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...dxc5
- 2.Qd3#
- 1...dxc5
- Tries
- 1.Sg5?
- 1...dxc5
- 2.Qc3#
- 1...d5!
- 1...dxc5
- 1.Ra5?
- threat
- 2.Qd3#
- 1...Kxc4
- 2.Qc3#
- 1...Ke4!
- threat
- 1.Rd5+?
- 1...Kxc4
- 2.Qb3#
- 1...Ke4!
- 1...Kxc4
- 1.Rg5?
- threat
- 2.Rg4#
- 2.Qd3#
- 1...Kxc4
- 2.Qc3#
- 1...d5
- 2.Rg4#
- 1...Ke4!
- threat
- 1.Rh5?
- threat
- 2.Rh4#
- 2.Qd3#
- 1...Kxc4
- 2.Qc3#
- 1...d5
- 2.Rh4#
- 1...Ke4!
- threat
- 1.Sg5?
- Keys
- 1.Rf5!
- threat
- 2.Rf4#
- 2.Qd3#
- 1...Kxc4
- 2.Qc3#
- 1...Ke4
- 2.Qd3#
- 1...d5
- 2.Rf4#
- threat
- 1.Rf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(b);SBLOCK,XR(D)::QAR1(B)
- Tries
- Try
- S(E);
- Vars
- P(b);SBLOCK,XR(D)::QAB1(B)
- Refutation
- P(b);
- Try
- R(D);
- Threat
- QAR1(B)
- Vars
- K(a);P-FLIGHT,XB(C)::QAR1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);CHECK
- Vars
- K(a);P-FLIGHT,XB(C)::QAB1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,XB(C)::QAR1(B)
- P(b);::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,XB(C)::QAR1(B)
- P(b);::R(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- R(D);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT,XB(C)::QAR1(B)
- K(a);P-FLIGHT::QAB1(B)
- P(b);::R(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).