MESON Chess Problem Database
Problem Display
PID: 225701 (8/4NK2/4P3/1Np1k3/2prp3/2n1P3/1Qn5/8 w - - 0 1)
Polacek, Ladislav
Praca, 1952
#2
6 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Qh2#
- 1...Se1
- 2.Qh2#
- 1...Sa3
- 2.Qh2#
- 1...Sxe3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 1...Sa1
- Tries
- 1.Sd6?
- 1...Kxd6
- 2.Qb8#
- 1...Sxe3
- 2.Qh2#
- 1...Rd1
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Rd3
- 2.Sxc4#
- 1...Rd5
- 2.Sxc4#
- 1...Sa1
- 2.Qh2#
- 1...Se1
- 2.Qh2#
- 1...Sa3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 1...Sb1
- 2.Sxc4#
- 1...Sd1
- 2.Sxc4#
- 1...Sa2
- 2.Sxc4#
- 1...Se2
- 2.Sxc4#
- 1...Sa4
- 2.Sxc4#
- 1...Sb5
- 2.Sxc4#
- 1...Sd5
- 2.Sxc4#
- 1...Rxd6!
- 1...Kxd6
- 1.Sd6?
- Keys
- 1.Sa3!
- 1...Kd6
- 2.Qb8#
- 1...Sxa3
- 2.Qh2#
- 1...Sxe3
- 2.Qh2#
- 1...Rd1
- 2.Sxc4#
- 1...Rd2
- 2.Sxc4#
- 1...Rd3
- 2.Sxc4#
- 1...Rd5
- 2.Sxc4#
- 1...Rd6
- 2.Sxc4#
- 1...Rd7
- 2.Sxc4#
- 1...Rd8
- 2.Sxc4#
- 1...Sa1
- 2.Qh2#
- 1...Se1
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 1...Sb1
- 2.Sxc4#
- 1...Sd1
- 2.Sxc4#
- 1...Sa2
- 2.Sxc4#
- 1...Se2
- 2.Sxc4#
- 1...Sa4
- 2.Sxc4#
- 1...Sb5
- 2.Sxc4#
- 1...Sd5
- 2.Sxc4#
- 1...Kd6
- 1.Sa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- S(a);OGATE::QAB(A)
- S(a);OGATE,XP(B)::QAB(A)
- Tries
- Try
- S(C);
- Vars
- K(g);OGATEB,S_FLIGHT,XS(C)::QAB(A)
- S(a);OGATE,XP(B)::QAB(A)
- R(d);N_GUARD,P_SPINS(b)::S(C),XP(c)
- S(a);OGATE::QAB(A)
- S(b);P_SPINR(d)::S(C),XP(c)
- Refutation
- R(d);P_SPINS(b),XS(C)
- Try
- Actual
- S(C);
- Vars
- K(g);S_FLIGHT::QAB(A)
- S(a);OGATE,XS(C)::QAB(A)
- S(a);OGATE,XP(B)::QAB(A)
- R(d);N_GUARD,P_SPINS(b)::S(C),XP(c)
- R(d);N_GUARD,P_PINS(E),P_SPINS(b)::S(C),XP(c)
- S(a);OGATE::QAB(A)
- S(b);P_SPINR(d)::S(C),XP(c)
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).