MESON Chess Problem Database
Problem Display
PID: 21918 (8/2p2p2/2n2Bp1/1N3kP1/K7/2N3P1/3nQ3/8 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Chess Amateur (The), 1922
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qe4#
- 1...Sf1
- 2.Qe4#
- 1...Sb3
- 2.Qe4#
- 1...Sf3
- 2.Qe4#
- 1...Sc4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sb4
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Se5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Sb1
- Tries
- 1.Qd3+?
- 1...Ke6
- 2.Sxc7#
- 2.Qd5#
- 1...Se4
- 2.Qxe4#
- 2.Qd7#
- 1...Kg4!
- 1...Ke6
- 1.Qf3+?
- 1...Ke6
- 2.Qg4#
- 2.Qd5#
- 1...Sxf3!
- 1...Ke6
- 1.Qh5?
- threat
- 2.Qh3#
- 1...Ke6
- 2.Qg4#
- 2.Qh3#
- 1...Se5
- 2.Sd4#
- 1...gxh5!
- threat
- 1.Qd3+?
- Keys
- 1.Qd1!
- 1...Ke6
- 2.Qg4#
- 1...Sf3
- 2.Qd7#
- 1...Sb4
- 2.Sd4#
- 1...Sb1
- 2.Qd7#
- 1...Sf1
- 2.Qd7#
- 1...Sb3
- 2.Qd7#
- 1...Sc4
- 2.Qd7#
- 1...Se4
- 2.Qd7#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Se5
- 2.Sd4#
- 1...Sa7
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sb8
- 2.Sd4#
- 1...Sd8
- 2.Sd4#
- 1...Ke6
- 1.Qd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(A)
- S(a);N_GUARD::QAB1(A),XS(a)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(c)
- Tries
- Try
- Q(A);CHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(c);N_GUARD::S(E)
- Refutation
- P(d);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- K(b);S_FLIGHT::QAB(A)
- S(a);OGATE::QAB(A)
- S(c);N_GUARD::S(E)
- S(c);N_GUARD::S(E),XS(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).