MESON Chess Problem Database
Problem Display
PID: 51620 (3BB1b1/3p3p/Qb2k2p/1PP2RpP/p3n3/K2NNn2/8/8 w - - 0 1)
Barrow, John Hugh
Western Daily Mercury, 1916
(First published on Fri Dec 8 1916)
#2
10 + 10
| 5257 | Chess Problems by J H Barrow | 2004 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sfd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sed2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sg3
- 2.Rf6#
- 1...Sxc5
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...g4
- 2.Sf4#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...Bf7
- Tries
- 1.Kb2?
- 1...Sxc5
- 2.Rf6#
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sfd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sed2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sg3
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...g4
- 2.Sf4#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...a3+!
- 1...Sxc5
- 1.Kb4?
- 1...Sxc5
- 2.Rf6#
- 1...Bf7
- 2.Bxf7#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Sfd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sed2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sg3
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...g4
- 2.Sf4#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...a3!
- 1...Sxc5
- 1.Bg6?
- 1...Sxc5
- 2.Rf6#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...Se1
- 2.Re5#
- 1...Bf7
- 2.Bxf7#
- 1...Sg1
- 2.Re5#
- 1...Sfd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sed2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sg3
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...g4
- 2.Sf4#
- 1...hxg6!
- 1...Sxc5
- 1.Rxf3?
- 1...Sxc5
- 2.Rf6#
- 1...Bf7
- 2.Bxf7#
- 1...Sd2
- 2.Rf6#
- 1...Sf2
- 2.Rf6#
- 1...Sc3
- 2.Rf6#
- 1...Sg3
- 2.Rf6#
- 1...Sd6
- 2.Rf6#
- 1...Sf6
- 2.Rxf6#
- 1...d5
- 2.Qc8#
- 1...d6
- 2.Qc8#
- 1...g4!
- 1...Sxc5
- 1.Qb7?
- threat
- 2.Bxd7#
- 2.Qd5#
- 2.Qxd7#
- 1...Bxd8
- 2.Qxd7#
- 1...Sxc5
- 2.Rf6#
- 2.Qd5#
- 1...Bc7
- 2.Qd5#
- 1...Se5
- 2.Rxe5#
- 2.Qd5#
- 1...Sc3
- 2.Bxd7#
- 2.Rf6#
- 2.Qxd7#
- 1...Sf6
- 2.Rxf6#
- 1...d5
- 2.Bd7#
- 2.Qxd5#
- 2.Qc8#
- 2.Qd7#
- 2.Qe7#
- 1...d6
- 2.Bd7#
- 2.Qd5#
- 2.Qc8#
- 2.Qd7#
- 2.Qe7#
- 1...Bxc5+!
- threat
- 1.Qc8?
- threat
- 2.Bxd7#
- 2.Qxd7#
- 1...Bxd8
- 2.Qxd7#
- 1...Sxc5
- 2.Rf6#
- 1...Se5
- 2.Rxe5#
- 1...Sf6
- 2.Rxf6#
- 1...Bxc5+!
- threat
- 1.Qxb6+?
- 1...Sd6
- 2.Rf6#
- 2.Qxd6#
- 1...d6!
- 1...Sd6
- 1.Kb2?
- Keys
- 1.Rd5!
- 1...Sxc5
- 2.Sxc5#
- 1...Se1
- 2.Re5#
- 1...Bf7
- 2.Bxd7#
- 1...Sg1
- 2.Re5#
- 1...Sfd2
- 2.Re5#
- 1...Sh2
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sh4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sed2
- 2.Rd6#
- 1...Sf2
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sg3
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Rd6#
- 1...g4
- 2.Sf4#
- 1...d6
- 2.Qc8#
- 1...Sxc5
- 1.Rd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(j);N_GUARD::B(J),XB(j)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,XP(E)::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(d);N_GUARD::S(B)
- P(h);OGATEB::QAB(H)
- P(h);N_SPINB(e),OGATEB::QAB(H)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(c);N_GUARD,XP(E)::R1(F)
- B(j);N_GUARD::B(J),XB(j)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(d);N_GUARD::S(B)
- P(h);OGATEB::QAB(H)
- P(h);N_SPINB(e),OGATEB::QAB(H)
- Refutation
- P(b);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(c);N_GUARD,XP(E)::R1(F)
- B(j);N_GUARD::B(J),XB(j)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(d);N_GUARD::S(B)
- P(h);OGATEB::QAB(H)
- P(h);N_SPINB(e),OGATEB::QAB(H)
- Refutation
- P(b);
- Try
- B(J);
- Vars
- S(c);N_GUARD,XP(E)::R1(F)
- P(h);OGATEB::QAB(H)
- P(h);N_SPINB(e),OGATEB::QAB(H)
- S(a);N_GUARD::R1(F)
- B(j);N_GUARD::B(J),XB(j)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(d);N_GUARD::S(B)
- Refutation
- P(i);XB(J)
- Try
- R(F);XS(a)
- Vars
- S(c);N_GUARD,XP(E)::R1(F)
- B(j);N_GUARD::B(J),XB(j)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- P(h);OGATEB::QAB(H)
- P(h);N_SPINB(e),OGATEB::QAB(H)
- Refutation
- P(d);
- Try
- Q(H);N_PINB(e)
- Threat
- DUALS(3)
- Vars
- B(e);XB(I)::QAB1(H),XP(h)
- B(e);::QAB1(H)
- S(c);N_GUARD::R1(F),XS(c)
- Refutation
- B(e);CHECK,XP(E)
- Try
- Q(H);N_PINB(e),P_PINP(h)
- Threat
- DUALS(2)
- Vars
- B(e);XB(I)::QAB1(H),XP(h)
- S(c);N_GUARD,XP(E)::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F),XS(c)
- Refutation
- B(e);CHECK,XP(E)
- Try
- Q(H);CHECK,XB(e)
- Refutation
- P(h);P_SPINP(h)
- Try
- Actual
- R(F);
- Vars
- S(c);XP(E)::S(B),XS(c)
- S(a);N_GUARD::R1(F)
- B(j);SBLOCK::B(J),XP(h)
- S(a);N_GUARD::R1(F),XS(a)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD,N_SPINB(e)::R1(F),XS(c)
- P(d);N_GUARD::S(B)
- P(h);N_SPINB(e),OGATEB::QAB(H)
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).