MESON Chess Problem Database
Problem Display
PID: 264405 (7B/3pR3/3Pp3/2pN1p2/2P1k3/1R2P3/6Kn/1bbB1N1n w - - 0 1)
Rankin, JW
Sunday Referee, 1935
(First published on Sun Jul 14 1935)
#2
10 + 9
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Bxe3
- 2.Rxe3#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sxf1
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Sf6#
- 2.Rxe5#
- 1...Ba2
- Tries
- 1.Be2?
- threat
- 2.Sc3#
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...f4!
- threat
- 1.Bf6?
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Rxe5#
- 1...f4!
- 1...Bxe3
- 1.Bg7?
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Sf6#
- 2.Rxe5#
- 1...f4!
- 1...Bxe3
- 1.Rxd7?
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...exd5
- 2.Re7#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Sf6#
- 1...f4!
- 1...Bxe3
- 1.Rh7?
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...exd5
- 2.Re7#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Sf6#
- 1...f4!
- 1...Bxe3
- 1.Re8?
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...e5
- 2.Sf6#
- 2.Rxe5#
- 1...f4!
- 1...Bxe3
- 1.Be2?
- Keys
- 1.Rf7!
- 1...Bxe3
- 2.Rxe3#
- 1...Sxf1
- 2.Bf3#
- 1...exd5
- 2.Re7#
- 1...Ba2
- 2.Bc2#
- 1...Bc2
- 2.Bxc2#
- 1...Bd3
- 2.Sc3#
- 1...Bb2
- 2.Sd2#
- 1...Bd2
- 2.Sxd2#
- 1...Ba3
- 2.Sd2#
- 1...Sf2
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...f4
- 2.Rxf4#
- 1...e5
- 2.Sf6#
- 1...Bxe3
- 1.Rf7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD,XS(B)::B(A)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- Tries
- Try
- B(A);
- Threat
- S(G)
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- Refutation
- P(g);
- Try
- B(J);
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- P(h);OGATE::R1(I),XP(h)
- Refutation
- P(g);
- Try
- B(J);
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- Refutation
- P(g);
- Try
- R(I);N_PINP(h),XP(i)
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- P(h);OGATEB,XS(G)::R(I)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- P(h);SBLOCK::S(G)
- Refutation
- P(g);
- Try
- R(I);N_PINP(h)
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- P(h);OGATEB,XS(G)::R(I)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- P(h);SBLOCK::S(G)
- Refutation
- P(g);
- Try
- R(I);
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- Refutation
- P(g);
- Try
- Actual
- R(I);N_PINP(h)
- Vars
- B(b);OGATE,XP(E)::R1(D),XB(b)
- S(d);N_GUARD,XS(B)::B(A)
- P(h);OGATEB,XS(G)::R(I)
- B(a);N_GUARD::B(A)
- B(a);N_GUARD::B(A),XB(a)
- B(a);SBLOCK::S(G)
- B(b);N_GUARD::S(B)
- B(b);N_GUARD::S(B),XB(b)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(d);N_GUARD::B(A),XS(d)
- S(d);N_GUARD::B(A)
- P(g);OGATE::R1(I),XP(g)
- P(h);SBLOCK::S(G)
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).