MESON Chess Problem Database
Problem Display
PID: 114217 (2b5/1p2B1NK/1p2p1p1/1B1kp1Qp/2R1N3/5q2/r7/5n2 w - - 0 1)
Stubbs, Charles Francis
Montreal Daily Witness, 1900
#2
7 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sc3#
- 2.Sf6#
- 1...Qh1
- 2.Sc3#
- 2.Sf6#
- 1...Qe2
- 2.Sc3#
- 2.Sf6#
- 1...Qg2
- 2.Sc3#
- 2.Sf6#
- 1...Qg4
- 2.Sc3#
- 2.Sf6#
- 1...Qf2
- 2.Sc3#
- 1...Qa3
- 2.Sf6#
- 1...Qb3
- 2.Sf6#
- 1...Qc3
- 2.Sxc3#
- 2.Sf6#
- 1...Qd3
- 2.Sf6#
- 1...Qe3
- 2.Sf6#
- 1...Qg3
- 2.Sf6#
- 1...Qh3
- 2.Sf6#
- 1...Qf4
- 2.Sc3#
- 1...Qf5
- 2.Sc3#
- 1...Qf6
- 2.Sc3#
- 2.Sxf6#
- 1...Qf7
- 2.Sc3#
- 1...Qf8
- 2.Sc3#
- 1...Se3
- 2.Sc3#
- 1...Qd1
- Tries
- 1.Qf4?
- threat
- 2.Sf6#
- 1...Qxe4
- 2.Qxe4#
- 1...Qxf4
- 2.Sc3#
- 1...exf4!
- threat
- 1.Qg2?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...Qxe4
- 2.Qxe4#
- 1...Qc3
- 2.Sxc3#
- 2.Sf6#
- 1...Qf6
- 2.Sc3#
- 2.Sxf6#
- 1...Rc2
- 2.Sf6#
- 1...Ra3
- 2.Sf6#
- 1...Rxg2!
- threat
- 1.Qf4?
- Keys
- 1.Qf5!
- threat
- 2.Sf6#
- 1...Qxe4
- 2.Qxe4#
- 1...Qxf5
- 2.Sc3#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(c);N_GUARD::S(B)
- Q(c);N_GUARD,N_SPINP(e)::S(B)
- Q(c);N_GUARD,P_PINS(F)::S(B)
- S(a);S_CUTQ(c)::S(B)
- Tries
- Try
- Q(D);N_PINP(e)
- Threat
- S(B)
- Vars
- Q(c);OGATE,XS(B)::QAB1(D),XQ(c)
- Q(c);N_GUARD,XQ(D)::S(B)
- Refutation
- P(e);XQ(D)
- Try
- Q(D);N_PINP(e)
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_SPINQ(c),XS(B)::QAB1(D),XQ(c)
- R(b);::S(B)
- Refutation
- R(b);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- S(B)
- Vars
- Q(c);OGATE,XS(B)::QAB1(D),XQ(c)
- Q(c);N_GUARD,N_SPINP(e),XQ(D)::S(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).