MESON Chess Problem Database
Problem Display
PID: 109332 (2Q5/6p1/1Bnp3n/3k4/5RN1/K7/4P3/8 w - - 0 1)
Scheel, Johan
Morgenbladet, 1911
#2
6 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Rd4#
- 2.Qc4#
- 2.e4#
- 1...Sd4
- 2.Rxd4#
- 2.e4#
- 1...Sa5
- 2.Rd4#
- 2.e4#
- 1...Se5
- 2.Se3#
- 2.Rd4#
- 2.e4#
- 1...Sa7
- 2.Rd4#
- 2.Qc4#
- 2.e4#
- 1...Se7
- 2.Rd4#
- 2.Qc4#
- 2.e4#
- 1...Sb8
- 2.Rd4#
- 2.Qc4#
- 2.e4#
- 1...Sd8
- 2.Rd4#
- 2.Qc4#
- 2.e4#
- 1...Sf5
- 2.Qg8#
- 1...Sg8
- 2.Qxg8#
- 1...Sb4
- Tries
- 1.Re4?
- threat
- 2.Qe6#
- 1...Sb4
- 2.Rd4#
- 2.Qc4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Se5
- 2.Rd4#
- 1...Sa7
- 2.Rd4#
- 2.Qc4#
- 1...Se7
- 2.Rd4#
- 2.Qc4#
- 1...Sb8
- 2.Rd4#
- 2.Qc4#
- 1...Sd8
- 2.Rd4#
- 2.Qc4#
- 1...Kxe4!
- threat
- 1.Qe8?
- threat
- 2.Se3#
- 2.Qe4#
- 1...Sxg4
- 2.Qe4#
- 1...Sd4
- 2.Se3#
- 2.Rxd4#
- 1...Se5
- 2.Se3#
- 2.Rd4#
- 1...Sf5
- 2.Qf7#
- 2.Qe4#
- 2.Qg8#
- 1...Se7!
- threat
- 1.Qg8+?
- 1...Sf7
- 2.Qxf7#
- 1...Sxg8!
- 1...Sf7
- 1.Re4?
- Keys
- 1.Bd4!
- threat
- 2.Se3#
- 1...Kc4
- 2.Qxc6#
- 1...Sxd4
- 2.e4#
- 1...Sxg4
- 2.Qg8#
- 1...Sf5
- 2.Qg8#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD::QAB(F)
- S(d);N_GUARD::QAB(F),XS(d)
- Tries
- Try
- R(C);
- Threat
- QAB1(F)
- Vars
- S(b);N_GUARD::R1(C),XS(b)
- S(b);N_GUARD::R1(C)
- Refutation
- K(a);S_FLIGHT,XR(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(d);XS(D)::QAB1(F)
- Refutation
- S(b);
- Try
- Q(F);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB(F),XS(d)
- Refutation
- S(d);XQ(F)
- Try
- Actual
- B(E);
- Threat
- S(D)
- Vars
- K(a);P_SPINS(b),S_FLIGHT::QAR2(F),XS(b)
- S(b);SBLOCK,XB(E)::P(A)
- S(d);N_GUARD,XS(D)::QAB(F)
- S(d);N_GUARD::QAB(F)
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).