MESON Chess Problem Database
Problem Display
PID: 84666 (1N1B2B1/3P2K1/pR6/Npk1p3/1n1p2p1/P5r1/2P1P1b1/3Q4 w - - 0 1)
Fillery, William Edmund Frank
Canadian Chess Championship, 1981
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Sxb3#
- 1...Rf3
- 2.Sb7#
- 1...Bf1
- 2.Sb7#
- 1...Bf3
- 2.Sb3#
- 1...Bh3
- 2.Sb7#
- 1...Bb7
- 2.Sxb7#
- 1...Sa2
- 2.Sxa6#
- 1...Sxc2
- 2.Sxa6#
- 1...Sd3
- 2.Sb3#
- 2.Sxa6#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Sc6
- 2.Sb7#
- 1...d3
- 2.Sb3#
- 1...e4
- 2.Sb7#
- 1...Rb3
- Tries
- 1.Rxa6?
- threat
- 2.Be7#
- 1...Sc6
- 2.Sb7#
- 1...d3
- 2.Sb3#
- 1...Sd5
- 2.Rc6#
- 1...Sxa6!
- threat
- 1.Rc6+?
- 1...Sxc6
- 2.Sb7#
- 1...Bxc6!
- 1...Sxc6
- 1.Rf6?
- threat
- 2.Bb6#
- 2.Be7#
- 1...d3
- 2.Sb3#
- 2.Bb6#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Sc6
- 2.Sb7#
- 2.Sxa6#
- 1...Bc6!
- threat
- 1.Rg6?
- threat
- 2.Bb6#
- 2.Be7#
- 1...d3
- 2.Sb3#
- 2.Bb6#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Sc6
- 2.Sb7#
- 2.Sxa6#
- 1...Bc6!
- threat
- 1.Rh6?
- threat
- 2.Bb6#
- 2.Be7#
- 1...d3
- 2.Sb3#
- 2.Bb6#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Sc6
- 2.Sb7#
- 2.Sxa6#
- 1...Bc6!
- threat
- 1.Qb1?
- threat
- 2.Qxb4#
- 2.axb4#
- 1...Sxc2
- 2.Sxa6#
- 1...Bc6
- 2.Qxb4#
- 1...Sc6
- 2.Sb7#
- 1...d3
- 2.Sb3#
- 2.Qxb4#
- 1...Rb3
- 2.Sxb3#
- 1...Sa2
- 2.Sxa6#
- 1...Sd3
- 2.Sb3#
- 2.Sxa6#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Rxa3!
- threat
- 1.e4?
- threat
- 2.Sb7#
- 1...dxe4 ep
- 2.Sb3#
- 2.Qd6#
- 1...d3
- 2.Sb3#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- 1...Bxe4!
- threat
- 1.Rxa6?
- Keys
- 1.Qf1!
- threat
- 2.Qf8#
- 1...Bxf1
- 2.Sb7#
- 1...Sc6
- 2.Sb7#
- 1...d3
- 2.Sb3#
- 1...Rf3
- 2.Sb7#
- 1...Bf3
- 2.Sb3#
- 1...Sd5
- 2.Sxa6#
- 2.Rc6#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::S(E),XR(b)
- R(b);S_CUTB(a)::S(E)
- B(a);N_GUARD::S(E)
- B(a);S_CUTR(b)::S(E)
- B(a);N_GUARD::S(E),XB(a)
- S(c);N_GUARD::S(I),XP(i)
- S(c);N_GUARD,XP(B)::S(I),XP(i)
- S(c);S_CUTB(a)::S(E)
- P(d);S_CUTR(b)::S(E)
- P(h);S_CUTB(a)::S(E)
- Tries
- Try
- R(F);XP(i)
- Threat
- B(J)
- Vars
- S(c);S_CUTB(a)::S(E)
- P(d);S_CUTR(b)::S(E)
- S(c);N_GUARD,S_CUTB(a)::R1(F)
- Refutation
- S(c);XR(F)
- Try
- R(F);CHECK
- Vars
- S(c);XR(F)::S(E)
- Refutation
- B(a);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- R(F);
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,XP(B)::S(I),XP(i)
- B(a);::QAB1(A),XS(c)
- S(c);S_CUTB(a)::S(E)
- R(b);N_GUARD::S(E),XR(b)
- S(c);N_GUARD::S(I),XP(i)
- Refutation
- R(b);XP(D)
- Try
- P(C);
- Threat
- S(E)
- Vars
- P(d);S_CUTR(b)::S(E)
- Refutation
- B(a);XP(C)
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- B(a);N_GUARD,XQ(A)::S(E)
- S(c);S_CUTB(a)::S(E)
- P(d);S_CUTR(b)::S(E)
- R(b);S_CUTB(a)::S(E)
- B(a);S_CUTR(b)::S(E)
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).