MESON Chess Problem Database
Problem Display
PID: 90098 (Kb4R1/p3r3/3nr3/2nQ2P1/Rq3kPN/3b1P2/4pPB1/2N1B3 w - - 0 1)
Selb, Hans
Die Schwalbe, 1949
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bd2#
- 1...Re4
- 2.Sg6#
- 1...Be4
- 2.Sxe2#
- 1...Sb3
- 2.Sxd3#
- 1...Sxa4
- 2.Sxd3#
- 1...Sce4
- 2.Sxd3#
- 1...Sa6
- 2.Sxd3#
- 1...Scb7
- 2.Sxd3#
- 1...Sd7
- 2.Sxd3#
- 1...Sde4
- 2.Qf5#
- 1...Qe4
- Tries
- 1.Bh3?
- threat
- 2.Sg2#
- 1...Qe4
- 2.Bd2#
- 1...Be4
- 2.Sxe2#
- 1...Sce4
- 2.Sxd3#
- 1...Sde4
- 2.Qf5#
- 1...Re4!
- threat
- 1.Bh3?
- Keys
- 1.Bh1!
- threat
- 2.Sg2#
- 1...Qe4
- 2.Bd2#
- 1...Re4
- 2.Sg6#
- 1...Be4
- 2.Sxe2#
- 1...Sce4
- 2.Sxd3#
- 1...Sde4
- 2.Qf5#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(c);P_PINQ(I),S_CUTR(g)::B(B)
- R(g);N_GUARD,N_SPINQ(c),S_CUTB(b)::S(H)
- B(b);N_GUARD,N_SPINQ(c),P_PINQ(I),S_CUTR(g)::S(A),XP(a)
- S(e);N_GUARD::S(A),XB(b)
- S(e);N_GUARD,N_SPINQ(c),XR(F)::S(A),XB(b)
- S(e);N_GUARD,N_SPINQ(c)::S(A),XB(b)
- S(f);N_GUARD,N_SPINQ(c),S_CUTB(b)::QAR1(I)
- Tries
- Try
- B(D);
- Threat
- S(H)
- Vars
- Q(c);P_PINQ(I),S_CUTR(g)::B(B)
- B(b);N_GUARD,N_SPINQ(c),P_PINQ(I),S_CUTR(g)::S(A),XP(a)
- S(e);N_GUARD,N_SPINQ(c)::S(A),XB(b)
- S(f);N_GUARD,N_SPINQ(c),S_CUTB(b)::QAR1(I)
- Refutation
- R(g);N_SPINQ(c)
- Try
- Actual
- B(D);
- Threat
- S(H)
- Vars
- Q(c);P_PINQ(I),S_CUTR(g)::B(B)
- R(g);N_GUARD,N_SPINQ(c),S_CUTB(b)::S(H)
- B(b);N_GUARD,N_SPINQ(c),P_PINQ(I),S_CUTR(g)::S(A),XP(a)
- S(e);N_GUARD,N_SPINQ(c)::S(A),XB(b)
- S(f);N_GUARD,N_SPINQ(c),S_CUTB(b)::QAR1(I)
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).