MESON Chess Problem Database
Problem Display
PID: 6001 (8/6p1/1p2QnK1/nrkp4/1r1R4/B3P3/4P3/N7 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
Chess Amateur (The), 1926
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Sxb3#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Sb3
- Tries
- 1.Rd1?
- 1...Kc4
- 2.Rc1#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Rc1#
- 1...Sb7
- 2.Rc1#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...d4
- 2.exd4#
- 1...Sb3!
- 1...Kc4
- 1.Rd3?
- 1...Sb3
- 2.Rc3#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Rc3#
- 1...Sb7
- 2.Rc3#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...d4
- 2.exd4#
- 1...Kc4!
- 1...Sb3
- 1.Qd7?
- 1...Sb3
- 2.Sxb3#
- 2.Qc7#
- 1...Sc4
- 2.Sb3#
- 2.Qc7#
- 1...Sc6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 2.Qc7#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Sxd7!
- 1...Sb3
- 1.Qe5?
- 1...Sb3
- 2.Qc7#
- 1...Sc4
- 2.Qc7#
- 1...Sc6
- 2.Sb3#
- 1...Sb7
- 2.Qc7#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Kc6!
- 1...Sb3
- 1.Qxf6?
- 1...Sb3
- 2.Sxb3#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...gxf6!
- 1...Sb3
- 1.e4?
- 1...Sxe4
- 2.Qxd5#
- 1...dxe4
- 2.Qd6#
- 1...Sb3
- 2.Sxb3#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Kxd4!
- 1...Sxe4
- 1.Rd1?
- Keys
- 1.Rd2!
- 1...Kc4
- 2.Rc2#
- 1...Sb3
- 2.Rc2#
- 1...Sc4
- 2.Sb3#
- 1...Sc6
- 2.Rc2#
- 1...Sb7
- 2.Rc2#
- 1...Se4
- 2.Qxd5#
- 1...Sg4
- 2.Qxd5#
- 1...Sh5
- 2.Qxd5#
- 1...Sd7
- 2.Qxd5#
- 1...Sh7
- 2.Qxd5#
- 1...Se8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...d4
- 2.exd4#
- 1...Kc4
- 1.Rd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD::S(A),XS(b)
- S(b);N_GUARD::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- Tries
- Try
- R(E);
- Vars
- K(d);N_SPINR(a),P-FLIGHT,P_SPINP(e)::R(E)
- S(b);N_GUARD,SBLOCK::S(A)
- S(b);N_GUARD::R(E)
- S(g);N_GUARD::QAR1(F),XP(e)
- P(e);OGATE::P(D),XP(e)
- Refutation
- S(b);
- Try
- R(E);
- Vars
- S(b);N_GUARD::R(E)
- S(b);N_GUARD,SBLOCK::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- P(e);OGATE::P(D),XP(e)
- Refutation
- K(d);N_SPINR(a),P-FLIGHT,P_SPINP(e)
- Try
- Q(F);
- Vars
- S(b);N_GUARD::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- Refutation
- S(g);XQ(F)
- Try
- Q(F);P_PINP(e)
- Vars
- S(b);N_GUARD::QAR2(F)
- S(b);N_GUARD,SBLOCK::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- Refutation
- K(d);N_SPINP(e),N_SPINR(a),P-FLIGHT
- Try
- Q(F);XS(g)
- Vars
- S(b);N_GUARD::S(A),XS(b)
- S(b);N_GUARD::S(A)
- Refutation
- P(h);XQ(F)
- Try
- P(D);
- Vars
- S(g);N_GUARD,XP(D)::QAR1(F),XP(e)
- P(e);XP(D)::QAB1(F)
- S(b);N_GUARD::S(A),XS(b)
- S(b);N_GUARD::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- Refutation
- K(d);N_SPINR(a),S_FLIGHT,XR(E)
- Try
- Actual
- R(E);
- Vars
- K(d);N_SPINR(a),P-FLIGHT,P_SPINP(e)::R(E)
- S(b);N_GUARD::R(E)
- S(b);N_GUARD,SBLOCK::S(A)
- S(g);N_GUARD::QAR1(F),XP(e)
- P(e);OGATE::P(D),XP(e)
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).