MESON Chess Problem Database
Problem Display
PID: 206566 (8/1Qn4B/1bP1p1n1/2pP1p2/2N1k3/2P4R/5K2/2BR4 w - - 0 1)
Boswell, Edward
Brisbane Courier, 1925
#2
10 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Qb1#
- 1...Ba7
- 2.Qb1#
- 1...Sf4
- 2.Re3#
- 1...Sh4
- 2.Rxh4#
- 1...Se5
- 2.Sd6#
- 1...Se7
- 2.Rh4#
- 1...Sf8
- 2.Rh4#
- 1...Sh8
- 2.Rh4#
- 1...f4
- 2.Bxg6#
- 1...exd5
- 2.Re1#
- 1...e5
- 2.Sd6#
- 1...Ba5
- Tries
- 1.Bg5?
- threat
- 2.Re3#
- 1...f4
- 2.Bxg6#
- 1...Sxd5!
- threat
- 1.Bh6?
- threat
- 2.Re3#
- 1...f4
- 2.Bxg6#
- 1...Sxd5!
- threat
- 1.Rh4+?
- 1...Sf4
- 2.Rxf4#
- 1...f4
- 2.Bxg6#
- 2.Rxf4#
- 1...Sxh4!
- 1...Sf4
- 1.Qxb6?
- threat
- 2.Qb1#
- 1...Sf4
- 2.Re3#
- 1...Se5
- 2.Sd6#
- 1...Sb5!
- threat
- 1.Qxc7?
- threat
- 2.Re3#
- 1...f4
- 2.Bxg6#
- 2.Qxf4#
- 2.Qe5#
- 1...Se5
- 2.Sd6#
- 2.Qxe5#
- 1...e5
- 2.Sd6#
- 1...Bxc7!
- threat
- 1.dxe6?
- 1...Sxe6
- 2.c7#
- 1...f4
- 2.Bxg6#
- 1...Sb5
- 2.c7#
- 1...Ba5
- 2.Qb1#
- 1...Ba7
- 2.Qb1#
- 1...Sf4
- 2.Re3#
- 1...Sh4
- 2.Rxh4#
- 1...Se5
- 2.Sd6#
- 1...Se7
- 2.Rh4#
- 1...Sf8
- 2.Rh4#
- 1...Sh8
- 2.Rh4#
- 1...Sa6
- 2.c7#
- 1...Sa8
- 2.c7#
- 1...Se8
- 2.c7#
- 1...Sd5!
- 1...Sxe6
- 1.Bg5?
- Keys
- 1.Qb8!
- 1...Sxd5
- 2.Sd2#
- 1...exd5
- 2.Re1#
- 1...f4
- 2.Bxg6#
- 1...Sb5
- 2.Re3#
- 1...Ba5
- 2.Qb1#
- 1...Ba7
- 2.Qb1#
- 1...Sf4
- 2.Re3#
- 1...Sh4
- 2.Rxh4#
- 1...Se5
- 2.Sd6#
- 1...Se7
- 2.Rh4#
- 1...Sf8
- 2.Rh4#
- 1...Sh8
- 2.Rh4#
- 1...Sa6
- 2.Re3#
- 1...Sa8
- 2.Re3#
- 1...Se8
- 2.Re3#
- 1...e5
- 2.Sd6#
- 1...Sxd5
- 1.Qb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(d);OGATE::QAB(I)
- S(f);P_SPINP(c),SBLOCK::R1(E)
- S(f);N_GUARD,P_SPINP(c)::R(E),XS(f)
- S(f);P_SPINP(c),SBLOCK::S(F)
- S(f);N_GUARD,P_SPINP(c)::R(E)
- P(c);OGATEB,P_SPINS(f)::B(J),XS(f)
- P(e);SBLOCK,XP(G)::R(B)
- P(e);SBLOCK::S(F)
- Tries
- Try
- B(A);
- Threat
- R1(E)
- Vars
- P(c);OGATEB,P_SPINS(f)::B(J),XS(f)
- Refutation
- S(g);XP(G)
- Try
- B(A);
- Threat
- R1(E)
- Vars
- P(c);OGATEB,P_SPINS(f)::B(J),XS(f)
- Refutation
- S(g);XP(G)
- Try
- R(E);CHECK
- Vars
- S(f);N_GUARD,P_SPINP(c),P_SPINS(f)::R1(E),XS(f)
- Refutation
- S(f);P_SPINP(c),XR(E)
- Try
- Q(I);XB(d)
- Threat
- QAB(I)
- Vars
- S(f);P_SPINP(c),SBLOCK::R1(E)
- S(f);P_SPINP(c),SBLOCK::S(F)
- Refutation
- S(g);
- Try
- Q(I);XS(g)
- Threat
- R1(E)
- Vars
- P(e);SBLOCK::S(F)
- Refutation
- B(d);XQ(I)
- Try
- P(G);XP(e)
- Vars
- S(g);OGATE,XP(G)::QAB(I)+P(H)
- P(c);OGATEB,P_SPINS(f)::B(J),XS(f)
- S(g);OGATE::QAB(I)+P(H)
- B(d);OGATE::QAB(I)
- S(f);P_SPINP(c),SBLOCK::R1(E)
- S(f);N_GUARD,P_SPINP(c)::R(E),XS(f)
- S(f);P_SPINP(c),SBLOCK::S(F)
- S(f);N_GUARD,P_SPINP(c)::R(E)
- Refutation
- S(g);
- Try
- Actual
- Q(I);
- Vars
- S(g);SBLOCK,XP(G)::S(F)
- P(e);SBLOCK,XP(G)::R(B)
- P(c);OGATEB,P_SPINS(f)::B(J),XS(f)
- S(g);::R1(E)
- B(d);OGATE::QAB(I)
- S(f);P_SPINP(c),SBLOCK::R1(E)
- S(f);N_GUARD,P_SPINP(c)::R(E),XS(f)
- S(f);P_SPINP(c),SBLOCK::S(F)
- S(f);N_GUARD,P_SPINP(c)::R(E)
- P(e);SBLOCK::S(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).