MESON Chess Problem Database
Problem Display
PID: 45928 (6K1/8/8/p1N3n1/Rp3nBp/2P1k2P/3p1pRB/3Q4 w - - 0 1)
Vaughan, Colin V
Sheffield Telegraph & Star, 1949
#2
9 + 8
| 56 | The Problemist | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qxe2#
- 1...Sxg2
- 2.Qe2#
- 1...Sd3
- 2.Qe2#
- 1...Sfxh3
- 2.Qe2#
- 1...Sd5
- 2.Qe2#
- 1...Sh5
- 2.Qe2#
- 1...Sfe6
- 2.Qe2#
- 1...Sg6
- 2.Qe2#
- 1...Sf3
- 2.Qxf3#
- 1...Sgxh3
- 2.Qf3#
- 1...Se4
- 2.Qf3#
- 1...Sge6
- 2.Qf3#
- 1...Sf7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Bg1#
- 1...f1B
- 2.Bg1#
- 2.Qxd2#
- 1...f1R
- 2.Qxd2#
- 1...bxc3
- 2.Bxf4#
- 1...b3
- 2.Bxf4#
- 1...Se2
- Tries
- 1.Bg3?
- threat
- 2.Bxf2#
- 1...Sxg2
- 2.Qe2#
- 1...Sfxh3
- 2.Qe2#
- 1...Sgxh3
- 2.Qf3#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Bf2#
- 1...f1B
- 2.Bf2#
- 2.Qxd2#
- 1...f1R
- 2.Qxd2#
- 1...Se2
- 2.Qxe2#
- 1...Sd3
- 2.Qe2#
- 1...Sd5
- 2.Qe2#
- 1...Sh5
- 2.Qe2#
- 1...Sfe6
- 2.Qe2#
- 1...Sg6
- 2.Qe2#
- 1...Se4
- 2.Qf3#
- 1...hxg3!
- threat
- 1.Bh5?
- 1...Sxg2
- 2.Qe2#
- 1...Sfxh3
- 2.Qe2#
- 1...Sgxh3
- 2.Qf3#
- 1...bxc3
- 2.Bxf4#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Bg1#
- 1...f1B
- 2.Bg1#
- 2.Qxd2#
- 1...f1R
- 2.Qxd2#
- 1...Se2
- 2.Qxe2#
- 1...Sd3
- 2.Qe2#
- 1...Sd5
- 2.Qe2#
- 1...Sfe6
- 2.Qe2#
- 1...Sg6
- 2.Qe2#
- 1...Sf3
- 2.Qxf3#
- 1...Se4
- 2.Qf3#
- 1...Sge6
- 2.Qf3#
- 1...Sf7
- 2.Qf3#
- 1...Sh7
- 2.Qf3#
- 1...b3
- 2.Bxf4#
- 1...Sxh5!
- 1...Sxg2
- 1.Rxf2?
- threat
- 2.Qxd2#
- 1...Kxf2
- 2.Qg1#
- 1...Se2
- 2.Rxe2#
- 2.Qxe2#
- 1...Sf3
- 2.Rxf3#
- 2.Qxf3#
- 1...Se4
- 2.Rf3#
- 2.Qf3#
- 1...bxc3!
- threat
- 1.Rg3+?
- 1...Sf3
- 2.Rxf3#
- 2.Qxf3#
- 1...hxg3!
- 1...Sf3
- 1.Ra2?
- threat
- 2.Qxd2#
- 1...f1S
- 2.Bg1#
- 1...Sf3
- 2.Qxf3#
- 1...Se4
- 2.Qf3#
- 1...bxc3!
- threat
- 1.Rxb4?
- threat
- 2.Bxf4#
- 1...Sxg2
- 2.Qe2#
- 1...Sfxh3
- 2.Qe2#
- 1...Sgxh3
- 2.Re4#
- 2.Qf3#
- 1...f1Q
- 2.Qxd2#
- 1...f1R
- 2.Qxd2#
- 1...Se2
- 2.Qxe2#
- 1...Sd3
- 2.Qe2#
- 1...Sd5
- 2.Qe2#
- 1...Sh5
- 2.Qe2#
- 1...Sfe6
- 2.Qe2#
- 1...Sg6
- 2.Qe2#
- 1...Se4
- 2.Rxe4#
- 2.Qf3#
- 1...Sge6
- 2.Re4#
- 2.Qf3#
- 1...axb4!
- threat
- 1.Bg3?
- Keys
- 1.Qc2!
- 1...Sxg2
- 2.Qd3#
- 1...Sfxh3
- 2.Qd3#
- 1...Sgxh3
- 2.Qe4#
- 1...bxc3
- 2.Bxf4#
- 1...Sf3
- 2.Qe4#
- 1...d1Q
- 2.Qxf2#
- 1...d1S
- 2.Qc1#
- 1...d1B
- 2.Qc1#
- 2.Qxf2#
- 1...d1R
- 2.Qxf2#
- 1...f1Q
- 2.Qxd2#
- 1...f1S
- 2.Bg1#
- 1...f1B
- 2.Bg1#
- 2.Qxd2#
- 1...f1R
- 2.Qxd2#
- 1...b3
- 2.Bxf4#
- 1...Se2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Qd3#
- 1...Sh5
- 2.Qd3#
- 1...Sfe6
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 1...Sge6
- 2.Qe4#
- 1...Sf7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Sxg2
- 1.Qc2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 14
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD,XR(B)::QAR1(A)
- S(e);N_GUARD::QAR1(A)
- S(e);N_GUARD,XP(E)::QAR1(A)
- S(h);N_GUARD::QAR1(A),XS(h)
- S(h);N_GUARD,XP(E)::QAR1(A)
- S(h);N_GUARD::QAR1(A)
- P(b);::QAB1(A),XP(a)
- P(b);OGATEB::B(C)
- P(d);XP(D)::B(C),XS(e)
- P(d);::B(C),XS(e)
- Tries
- Try
- B(C);
- Threat
- B(C),XP(b)
- Vars
- S(e);N_GUARD,XR(B)::QAR1(A)
- S(e);N_GUARD,XP(E)::QAR1(A)
- S(h);N_GUARD,XP(E)::QAR1(A)
- P(b);::QAB1(A),XP(a)
- P(b);::B(C)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD::QAR1(A)
- S(h);N_GUARD::QAR1(A)
- Refutation
- P(f);XB(C)
- Try
- B(G);
- Vars
- S(e);N_GUARD,XR(B)::QAR1(A)
- S(e);N_GUARD,XP(E)::QAR1(A)
- S(h);N_GUARD,XP(E)::QAR1(A)
- P(d);XP(D)::B(C),XS(e)
- P(b);::QAB1(A),XP(a)
- P(b);OGATEB::B(C)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD::QAR1(A)
- S(h);N_GUARD::QAR1(A),XS(h)
- S(h);N_GUARD::QAR1(A)
- P(d);::B(C),XS(e)
- Refutation
- S(e);XB(G)
- Try
- R(B);XP(b)
- Threat
- QAB1(A),XP(a)
- Vars
- K(c);OGATEB,S_FLIGHT,XR(B)::QAB1(A)
- Refutation
- P(d);XP(D)
- Try
- R(B);CHECK
- Refutation
- P(f);XR(B)
- Try
- R(F);
- Threat
- QAB1(A),XP(a)
- Vars
- P(b);OGATEB::B(C)
- S(h);N_GUARD::QAR1(A),XS(h)
- S(h);N_GUARD::QAR1(A)
- Refutation
- P(d);XP(D)
- Try
- R(F);XP(d)
- Threat
- B(C),XS(e)
- Vars
- S(e);N_GUARD,XR(B)::QAR1(A)
- S(e);N_GUARD,XP(E)::QAR1(A)
- P(b);::QAB1(A),XP(a)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD::QAR1(A)
- Refutation
- P(g);XR(F)
- Try
- Actual
- Q(A);
- Vars
- S(e);N_GUARD,XR(B)::QAR1(A)
- S(e);N_GUARD,XP(E)::QAR1(A)
- S(h);N_GUARD,XP(E)::QAR1(A)
- P(d);XP(D)::B(C),XS(e)
- S(h);N_GUARD::QAR1(A)
- P(a);OGATE::QAB1(A),XP(b)
- P(a);OGATEB::QAB(A)
- P(b);::QAB1(A),XP(a)
- P(b);OGATEB::B(C)
- P(d);::B(C),XS(e)
- S(e);N_GUARD::QAR1(A)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(h);N_GUARD::QAR1(A),XS(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).