MESON Chess Problem Database
Problem Display
PID: 3070 (1nb5/1r1p4/nr3p2/3k3N/NpR1R3/3p1K2/7Q/8 w - - 0 1)
Bernard, Henry D'Oyly
Source?, 1918
#2
6 + 10
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Sxf6#
- 1...Rc6
- 2.Rcd4#
- 1...Rd6
- 2.Sf4#
- 1...Re6
- 2.Red4#
- 1...Ra7
- 2.Sxb6#
- 1...Rc7
- 2.Sxb6#
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Sc6
- 2.Sxf6#
- 1...d2
- 2.Qxd2#
- 1...b3
- 2.Sc3#
- 1...f5
- 2.Qe5#
- 1...d6
- 2.Sf4#
- 2.Sxf6#
- 1...Rb5
- Tries
- 1.Ke3?
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Rb5
- 2.Sxf6#
- 1...Rc6
- 2.Rcd4#
- 1...Rd6
- 2.Sf4#
- 1...Ra7
- 2.Sxb6#
- 1...Rc7
- 2.Sxb6#
- 1...Sc6
- 2.Sxf6#
- 1...d2
- 2.Qxd2#
- 1...b3
- 2.Sc3#
- 1...f5
- 2.Qe5#
- 1...d6
- 2.Sf4#
- 2.Sxf6#
- 1...Re6!
- 1...Sc5
- 1.Sg7?
- threat
- 2.Red4#
- 1...Sc5
- 2.Rxc5#
- 1...Sc6!
- threat
- 1.Qg1?
- threat
- 2.Qd4#
- 1...Kd6
- 2.Qd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc6!
- threat
- 1.Qg3?
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Rb5
- 2.Sxf6#
- 1...Rc6
- 2.Rcd4#
- 1...Rd6
- 2.Sf4#
- 1...Re6
- 2.Red4#
- 1...Ra7
- 2.Sxb6#
- 1...Rc7
- 2.Sxb6#
- 1...Sc6
- 2.Sxf6#
- 1...b3
- 2.Sc3#
- 1...f5
- 2.Qe5#
- 1...d6
- 2.Sf4#
- 2.Sxf6#
- 1...d2!
- 1...Sc5
- 1.Qd6+?
- 1...Rxd6
- 2.Sf4#
- 1...Kxd6!
- 1...Rxd6
- 1.Qf2?
- threat
- 2.Qd4#
- 1...Kd6
- 2.Qd4#
- 1...Sc5
- 2.Qxc5#
- 1...Sc6!
- threat
- 1.Ke3?
- Keys
- 1.Qf4!
- 1...Sc5
- 2.Rxc5#
- 1...Sc7
- 2.Rc5#
- 1...Rb5
- 2.Sxf6#
- 1...Rc6
- 2.Rcd4#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Red4#
- 1...Ra7
- 2.Sxb6#
- 1...Rc7
- 2.Sxb6#
- 1...Sc6
- 2.Sxf6#
- 1...d2
- 2.Qxd2#
- 1...b3
- 2.Sc3#
- 1...f5
- 2.Qe5#
- 1...d6
- 2.Sxf6#
- 1...Sc5
- 1.Qf4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::S(F),XP(f)
- R(e);SBLOCK::R1(D)
- R(e);SBLOCK::S(F)
- R(e);SBLOCK::R1(E)
- R(g);N_GUARD::S(C),XR(e)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(i);S_CUTR(e)::S(F),XP(f)
- P(a);OGATEB::QAR(A),XP(a)
- P(b);N_GUARD::S(C)
- P(f);N_GUARD::QAR1(A)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- R(e);N_GUARD::S(F),XP(f)
- R(e);SBLOCK::R1(D)
- R(e);SBLOCK::S(F)
- R(g);N_GUARD::S(C),XR(e)
- S(i);S_CUTR(e)::S(F),XP(f)
- P(a);OGATEB::QAR(A),XP(a)
- P(b);N_GUARD::S(C)
- P(f);N_GUARD::QAR1(A)
- Refutation
- R(e);P_PINR(E)
- Try
- S(F);
- Threat
- R1(E)
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(i);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(i);
- Try
- Q(A);
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- R(e);N_GUARD::S(F),XP(f)
- R(e);SBLOCK::R1(D)
- R(e);SBLOCK::S(F)
- R(e);SBLOCK::R1(E)
- R(g);N_GUARD::S(C),XR(e)
- S(i);S_CUTR(e)::S(F),XP(f)
- P(b);N_GUARD::S(C)
- P(f);N_GUARD::QAR1(A)
- Refutation
- P(a);
- Try
- Q(A);CHECK
- Vars
- R(e);SBLOCK,XQ(A)::S(F)
- Refutation
- K(c);P-FLIGHT,XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(c);P-FLIGHT::QAR2(A)
- S(d);N_GUARD::QAR1(A),XS(d)
- Refutation
- S(i);
- Try
- Actual
- Q(A);
- Vars
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- R(e);N_GUARD::S(F),XP(f)
- R(e);SBLOCK::R1(D)
- R(e);SBLOCK::QAR2(A)
- R(e);SBLOCK::R1(E)
- R(g);N_GUARD::S(C),XR(e)
- S(i);S_CUTR(e)::S(F),XP(f)
- P(a);OGATEB::QAR(A),XP(a)
- P(b);N_GUARD::S(C)
- P(f);N_GUARD::QAR1(A)
- P(h);S_CUTR(e)::S(F),XP(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).