MESON Chess Problem Database
Problem Display
PID: 231580 (B5b1/2pQB2p/n6N/4kP1p/R7/Nn2r3/4p3/4K3 w - - 0 1)
Mead, CG
Brisbane Courier, 1927
#2
8 + 9
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...Sac5
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Rc3
- Tries
- 1.Sc2?
- 1...Re4
- 2.Rxe4#
- 1...Sd4
- 2.Qxd4#
- 1...Sb4
- 2.Qxc7#
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...Sac5
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Bc4!
- 1...Re4
- 1.Sb5?
- 1...Re4
- 2.Rxe4#
- 1...Sd4
- 2.Qxd4#
- 1...Sb4
- 2.Qxc7#
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...Sac5
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Bc4!
- 1...Re4
- 1.Bd6+?
- 1...cxd6
- 2.Qg7#
- 1...Kf6!
- 1...cxd6
- 1.Rc4?
- 1...Re4
- 2.Rxe4#
- 1...Sd4
- 2.Qxd4#
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...Sb4
- 2.Qxc7#
- 1...Sac5
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...h4
- 2.Sg4#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Bxc4!
- 1...Re4
- 1.Qd3?
- threat
- 2.Qxe3#
- 1...Rxd3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 1...Rf3
- 2.Re4#
- 2.Qe4#
- 1...Rg3
- 2.Re4#
- 2.Qe4#
- 2.Qxg3#
- 1...Rh3
- 2.Re4#
- 2.Qe4#
- 1...Bd5
- 2.Qxd5#
- 1...Sd2
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...c6
- 2.Qd6#
- 1...Sac5!
- threat
- 1.Sc2?
- Keys
- 1.Rh4!
- 1...Rc3
- 2.Re4#
- 1...Rd3
- 2.Re4#
- 1...Rf3
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Rh3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Bc4
- 2.Sxc4#
- 1...Bd5
- 2.Qxd5#
- 1...Be6
- 2.Qxe6#
- 1...Bf7
- 2.Sxf7#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sbc5
- 2.Qd4#
- 1...Sb4
- 2.Qxc7#
- 1...Sac5
- 2.Qxc7#
- 1...Sb8
- 2.Qxc7#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...Rc3
- 1.Rh4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(c);N_GUARD::R1(C)
- R(c);N_GUARD::R1(C),XR(c)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);N_GUARD::S(E),XB(i)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- S(f);N_GUARD::QAB(F),XP(g)
- P(e);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(F)
- Tries
- Try
- S(B);
- Vars
- R(c);N_GUARD::R1(C),XR(c)
- S(b);N_GUARD::QAB1(F),XS(b)
- S(f);N_GUARD::QAB(F),XP(g)
- R(c);N_GUARD::R1(C)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);N_GUARD::S(E),XB(i)
- S(b);N_GUARD::QAB1(F)
- P(e);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- S(B);
- Vars
- R(c);N_GUARD::R1(C),XR(c)
- S(b);N_GUARD::QAB1(F),XS(b)
- S(f);N_GUARD::QAB(F),XP(g)
- R(c);N_GUARD::R1(C)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);N_GUARD::S(E),XB(i)
- S(b);N_GUARD::QAB1(F)
- P(e);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(F)
- Refutation
- B(i);
- Try
- B(G);CHECK
- Vars
- P(g);SBLOCK,XB(G)::QAB(F)
- Refutation
- K(d);S_FLIGHT
- Try
- R(C);
- Vars
- R(c);N_GUARD::R1(C),XR(c)
- S(b);N_GUARD::QAB1(F),XS(b)
- R(c);N_GUARD::R1(C)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);N_GUARD::S(E),XB(i)
- S(b);N_GUARD::QAB1(F)
- S(f);N_GUARD::QAB(F),XP(g)
- P(e);N_GUARD::S(E)
- P(g);N_GUARD::QAB1(F)
- Refutation
- B(i);XR(C)
- Try
- Q(F);
- Threat
- QAR2(F),XR(c)
- Vars
- R(c);N_GUARD,XQ(F)::R1(C)
- B(i);N_GUARD::QAR1(F),XB(i)
- S(b);N_GUARD::QAB1(F)
- P(g);N_GUARD::QAB1(F)
- Refutation
- S(f);
- Try
- Actual
- R(C);
- Vars
- R(c);N_GUARD::R1(C)
- R(c);N_GUARD::R1(C),XR(c)
- B(i);N_GUARD::S(B),XB(i)
- B(i);N_GUARD::QAR1(F),XB(i)
- B(i);N_GUARD::S(E),XB(i)
- S(b);N_GUARD::QAB1(F)
- S(b);N_GUARD::QAB1(F),XS(b)
- S(f);N_GUARD::QAB(F),XP(g)
- P(g);N_GUARD::QAB1(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).