MESON Chess Problem Database
Problem Display
PID: 175454 (2n2Q2/1r4p1/3p2p1/2p2bK1/N1Pk2p1/2R1R3/4P3/B3r1N1 w - - 0 1)
Andrew, Frederick William
3rd Prize, Birmingham News, 1899
#2
9 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxe2
- 2.Sxe2#
- 1...Rb1
- 2.Qxg7#
- 1...Rb2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Be6
- 2.Qf4#
- 1...Bd7
- 2.Qxg7#
- 2.Qf4#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxg7#
- 1...g3
- 2.Sf3#
- 1...d5
- 2.Qxc5#
- 1...Rxe2
- Tries
- 1.Qxf5?
- threat
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qxg4#
- 2.Qf4#
- 2.Qd5#
- 1...Rxg1
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qf4#
- 2.Qd5#
- 1...Rxe2
- 2.Sxe2#
- 2.Red3#
- 2.Qd3#
- 2.Qe4#
- 2.Qxg4#
- 2.Qf4#
- 2.Qd5#
- 1...Rd1
- 2.Re4#
- 2.Qe4#
- 2.Qxg4#
- 2.Qf4#
- 2.Qd5#
- 1...Rf1
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qd5#
- 1...Re7
- 2.Red3#
- 2.Qd3#
- 2.Qd5#
- 1...Rf7
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qd5#
- 1...Sb6
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qxg4#
- 2.Qf4#
- 1...Se7
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qxg4#
- 2.Qf4#
- 1...g3
- 2.Sf3#
- 2.Red3#
- 2.Re4#
- 2.Qd3#
- 2.Qe4#
- 2.Qg4#
- 2.Qf4#
- 2.Qd5#
- 1...d5
- 2.Red3#
- 2.Qd3#
- 2.Qxg4#
- 2.Qf4#
- 2.Qxd5#
- 2.Qe5#
- 1...gxf5!
- threat
- 1.Qf7?
- threat
- 2.Rcd3#
- 2.Qd5#
- 1...Rxa1
- 2.Qd5#
- 1...Bd3
- 2.Rcxd3#
- 1...Be4
- 2.Rcd3#
- 1...Rb2
- 2.Qd5#
- 2.Qxg7#
- 1...Be6
- 2.Qf4#
- 1...Sb6
- 2.Rcd3#
- 1...Se7
- 2.Rcd3#
- 2.Qxg7#
- 1...d5
- 2.Qxd5#
- 1...Rxf7!
- threat
- 1.Qxf5?
- Keys
- 1.Re6!
- 1...Rxa1
- 2.e3#
- 1...Rxg1
- 2.e3#
- 1...Rxe2
- 2.Sxe2#
- 1...Bxe6
- 2.Qf4#
- 1...Reb1
- 2.e3#
- 1...Rc1
- 2.e3#
- 1...Rd1
- 2.e3#
- 1...Rf1
- 2.e3#
- 1...Rbb1
- 2.Qxg7#
- 1...Rb2
- 2.Qxg7#
- 1...Rb3
- 2.Qxg7#
- 1...Rb4
- 2.Qxg7#
- 1...Rb5
- 2.Qxg7#
- 1...Rb6
- 2.Qxg7#
- 1...Ra7
- 2.Rc1#
- 1...Rc7
- 2.Rc1#
- 1...Rd7
- 2.Rc1#
- 1...Re7
- 2.Rc1#
- 1...Rf7
- 2.Rc1#
- 1...Rb8
- 2.Qxg7#
- 1...Bb1
- 2.Qf2#
- 1...Bc2
- 2.Qf2#
- 1...Bd3
- 2.Qf2#
- 1...Be4
- 2.Qf2#
- 1...Sb6
- 2.Rc1#
- 1...Sa7
- 2.Qxd6#
- 1...Se7
- 2.Qxg7#
- 1...g3
- 2.Sf3#
- 1...d5
- 2.Qxc5#
- 1...Rxa1
- 1.Re6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- R(a);XP(C)::S(B),XR(a)
- R(h);N_GUARD::QAB(I),XP(i)
- B(e);OGATE::QAR2(I)
- S(j);N_GUARD::QAR2(I),XP(f)
- S(j);S_CUTR(h)::QAB(I),XP(i)
- P(c);N_GUARD::S(B)
- P(f);OGATE::QAB1(I),XP(d)
- Tries
- Try
- Q(I);XB(e)
- Threat
- DUALS(7)
- Refutation
- P(g);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(a);XB(A)::QAR1(I)
- B(e);::B(A)+R(D),DCHECK,XB(e)
- B(e);::B(A)+R(D),DCHECK
- B(e);OGATE::QAR2(I)
- S(j);::B(A)+R(D),DCHECK
- P(f);::QAR1(I),XP(f)
- Refutation
- R(h);XQ(I)
- Try
- Actual
- R(E);
- Vars
- R(a);N_GUARD,XB(A)::P(C)
- R(a);N_GUARD,XS(B)::P(C)
- R(a);XP(C)::S(B),XR(a)
- B(e);OGATE,XR(E)::QAR2(I)
- R(a);N_GUARD::P(C)
- R(h);N_GUARD::QAB(I),XP(i)
- R(h);N_GUARD::B(A)+R(D)
- B(e);OGATE::QAB(I)
- S(j);S_CUTR(h)::B(A)+R(D)
- S(j);N_GUARD::QAR2(I),XP(f)
- S(j);S_CUTR(h)::QAB(I),XP(i)
- P(c);N_GUARD::S(B)
- P(f);OGATE::QAB1(I),XP(d)
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).