MESON Chess Problem Database
Problem Display
PID: 189542 (8/3k4/1PNNpR2/2pP3p/3p1P1K/3R4/3Q4/7B w - - 0 1)
van Dijk, Johannes
De Schaakcourant, 1911
#2
10 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Tries
- 1.Rf8?
- threat
- 2.Rd8#
- 1...Kxd6
- 2.Rd8#
- 1...exd5!
- threat
- 1.Qe1?
- threat
- 2.Qxe6#
- 1...Kxd6
- 2.Qxe6#
- 1...exd5
- 2.Qe8#
- 1...e5!
- threat
- 1.Qe2?
- threat
- 2.Qxe6#
- 1...Kxd6
- 2.Qxe6#
- 1...exd5
- 2.Qe8#
- 1...e5!
- threat
- 1.Rf8?
- Keys
- 1.Qe3!
- threat
- 2.Qxe6#
- 1...Kxd6
- 2.Qxe6#
- 1...dxe3
- 2.dxe6#
- 1...exd5
- 2.Qe8#
- 1...e5
- 2.Qh3#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(J);
- Threat
- R1(J)
- Vars
- K(e);P-FLIGHT,XS(I)::R(J)
- Refutation
- P(d);XP(F)
- Try
- Q(B);
- Threat
- QAB1(B),XP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d),XS(I)::QAR1(B),XP(d)
- P(d);OGATE,XP(F)::QAB1(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAB1(B),XP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d),XS(I)::QAR1(B),XP(d)
- P(d);OGATE,XP(F)::QAB1(B)
- Refutation
- P(d);
- Try
- Actual
- Q(B);
- Threat
- QAB1(B),XP(d)
- Vars
- K(e);P-FLIGHT,P_SPINP(d),XS(I)::QAR1(B),XP(d)
- P(a);XQ(B)::P(F),XP(d)
- P(d);OGATE,XP(F)::QAB1(B)
- P(d);OGATEB::QAB(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).