MESON Chess Problem Database
Problem Display
PID: 11342 (7Q/8/4r3/p1pp2p1/Kpk5/5n2/PB2P3/5N2 w - - 0 1)
Heasman, DE
Chess, 1938
#2
6 + 8
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Sxe3#
- 1...Ra6
- 2.Se3#
- 1...Rb6
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rd6
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 1...Rh6
- 2.Se3#
- 1...Se1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 2.Se3#
- 1...b3
- 2.Qc3#
- 2.axb3#
- 1...Re3
- Tries
- 1.Qd4+?
- 1...Sxd4
- 2.Sd2#
- 1...cxd4!
- 1...Sxd4
- 1.Qe5?
- threat
- 2.Se3#
- 1...d4
- 2.Qxe6#
- 1...Rxe5!
- threat
- 1.Qf6?
- 1...Rxe2
- 2.Qa6#
- 1...Rxf6
- 2.Se3#
- 1...d4
- 2.Qxe6#
- 1...Re3
- 2.Sxe3#
- 2.Qa6#
- 1...Re4
- 2.Qa6#
- 1...Re5
- 2.Qa6#
- 1...Ra6
- 2.Se3#
- 2.Qxa6#
- 1...Rb6
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rd6
- 2.Se3#
- 1...Re7
- 2.Qa6#
- 1...Re8
- 2.Qa6#
- 1...Se1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 2.Se3#
- 1...b3
- 2.Qc3#
- 2.axb3#
- 1...g4!
- 1...Rxe2
- 1.Qb8?
- threat
- 2.Qb5#
- 1...Rb6
- 2.Se3#
- 1...Sd4
- 2.Sd2#
- 1...d4!
- threat
- 1.Qc8?
- 1...Rxe2
- 2.Qa6#
- 1...d4
- 2.Qxe6#
- 1...Re3
- 2.Sxe3#
- 2.Qa6#
- 1...Re4
- 2.Qa6#
- 1...Re5
- 2.Qa6#
- 1...Ra6
- 2.Se3#
- 2.Qxa6#
- 1...Rb6
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rd6
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 1...Rh6
- 2.Se3#
- 1...Re7
- 2.Qa6#
- 1...Re8
- 2.Qa6#
- 1...Se1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 2.Se3#
- 1...b3
- 2.axb3#
- 1...g4!
- 1...Rxe2
- 1.Qe8?
- threat
- 2.Qb5#
- 1...d4
- 2.Qxe6#
- 1...Rb6
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Sd4
- 2.Sd2#
- 1...Rxe8!
- threat
- 1.Qd4+?
- Keys
- 1.Qh6!
- 1...Rxe2
- 2.Qa6#
- 1...Rxh6
- 2.Se3#
- 1...d4
- 2.Qxe6#
- 1...Re4
- 2.Qa6#
- 1...Re3
- 2.Sxe3#
- 2.Qa6#
- 1...Re5
- 2.Qa6#
- 1...Ra6
- 2.Se3#
- 2.Qxa6#
- 1...Rb6
- 2.Se3#
- 1...Rc6
- 2.Se3#
- 1...Rd6
- 2.Se3#
- 1...Rf6
- 2.Se3#
- 1...Rg6
- 2.Se3#
- 1...Re7
- 2.Qa6#
- 1...Re8
- 2.Qa6#
- 1...Se1
- 2.Sd2#
- 1...Sg1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Sd4
- 2.Sd2#
- 1...Sh4
- 2.Sd2#
- 1...Se5
- 2.Sd2#
- 2.Se3#
- 1...b3
- 2.axb3#
- 1...g4
- 2.Qc1#
- 1...Rxe2
- 1.Qh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- R(h);N_GUARD::S(A),XR(h)
- R(h);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- Tries
- Try
- Q(F);CHECK
- Vars
- S(a);XQ(F)::S(A)
- Refutation
- P(e);XQ(F)
- Try
- Q(F);
- Threat
- S(A)
- Vars
- P(f);OGATEB::QAB(F),XR(h)
- Refutation
- R(h);XQ(F)
- Try
- Q(F);
- Vars
- R(h);OGATE,XP(D)::QAB(F)
- R(h);N_GUARD,XQ(F)::S(A)
- P(f);OGATEB::QAB(F),XR(h)
- R(h);OGATE::QAB(F)
- R(h);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- Refutation
- P(g);
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- R(h);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- Refutation
- P(f);
- Try
- Q(F);P_PINP(e)
- Vars
- R(h);N_GUARD,XP(D)::QAB(F)
- P(f);OGATEB::QAB(F),XR(h)
- R(h);N_GUARD::QAB(F)
- R(h);N_GUARD::S(A)
- R(h);N_GUARD,N_SPINP(e)::S(A)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::P(B),XP(b)
- Refutation
- P(g);
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- P(f);OGATEB::QAB(F),XR(h)
- R(h);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- Refutation
- R(h);XQ(F)
- Try
- Actual
- Q(F);
- Vars
- R(h);OGATE,XP(D)::QAB(F)
- R(h);N_GUARD,XQ(F)::S(A)
- P(f);OGATEB::QAB(F),XR(h)
- R(h);OGATE::QAB(F)
- R(h);N_GUARD::S(A)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);OGATE::P(B),XP(b)
- P(g);OGATE::QAR(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).