MESON Chess Problem Database
Problem Display
PID: 231396 (4R3/4n3/8/4Q3/4p3/4k3/1N2p2N/4K3 w - - 0 1)
Goldschmidt, Ervin
Ujsag, 1927
#2
5 + 4
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sd5
- 2.Qxe4#
- 1...Sf5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Sg6
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Sd5
- Tries
- 1.Sd3?
- 1...Sd5
- 2.Qxe4#
- 1...Sf5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Sg6
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Kxd3!
- 1...Sd5
- 1.Sf3?
- 1...Sd5
- 2.Qxe4#
- 1...Sf5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Sg6
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Kxf3!
- 1...Sd5
- 1.Rd8?
- threat
- 2.Sc4#
- 2.Rd3#
- 2.Qg3#
- 2.Qg5#
- 1...Sf5
- 2.Sc4#
- 2.Rd3#
- 1...Sg6
- 2.Sc4#
- 2.Rd3#
- 2.Qg3#
- 1...Sd5!
- threat
- 1.Rf8?
- threat
- 2.Sg4#
- 2.Rf3#
- 2.Qc3#
- 2.Qc5#
- 1...Sd5
- 2.Sg4#
- 2.Rf3#
- 1...Sc6
- 2.Sg4#
- 2.Rf3#
- 2.Qc3#
- 1...Sf5!
- threat
- 1.Sd3?
- Keys
- 1.Sa4!
- 1...Kd3
- 2.Qc3#
- 1...Sd5
- 2.Qxe4#
- 1...Sf5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Sg6
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...Kd3
- 1.Sa4!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);::QAR1(D),XP(c)
- Tries
- Try
- S(B);
- Vars
- S(d);::QAR1(D),XP(c)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,XS(B)
- Try
- S(C);
- Vars
- S(d);::QAR1(D),XP(c)
- Refutation
- K(b);N_SPINP(c),P-FLIGHT,XS(C)
- Try
- R(E);
- Threat
- DUALS(4)
- Refutation
- S(d);
- Try
- R(E);
- Threat
- DUALS(4)
- Refutation
- S(d);
- Try
- Actual
- S(B);
- Vars
- K(b);N_SPINP(c),P-FLIGHT::QAR1(D)
- S(d);::QAR1(D),XP(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).