MESON Chess Problem Database
Problem Display
PID: 189490 (8/p2N2Q1/K2pP3/1P1k1P2/R1nPp3/2r1r3/8/B1R5 w - - 0 1)
Berger, Johann Nepomuk
Vasarnapi Ujsag, 1911
#2
10 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Ra3
- 2.Sf6#
- 1...Rb3
- 2.Sf6#
- 1...Rcd3
- 2.Sf6#
- 1...Sb2
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 1...Sa3
- 2.Sf6#
- 1...Sa5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Rxc1
- Tries
- 1.Qe5+?
- 1...Sxe5
- 2.Sf6#
- 1...dxe5!
- 1...Sxe5
- 1.Qe5+?
- Keys
- 1.Qg1!
- 1...Kxd4
- 2.Rd1#
- 1...Rxc1
- 2.Sf6#
- 1...Re1
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 1...Ra3
- 2.Sf6#
- 1...Rb3
- 2.Sf6#
- 1...Rcd3
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Red3
- 2.Sf6#
- 1...Rf3
- 2.Sf6#
- 1...Rg3
- 2.Sf6#
- 1...Rh3
- 2.Sf6#
- 1...Sb2
- 2.Sf6#
- 1...Sd2
- 2.Sf6#
- 1...Sa3
- 2.Sf6#
- 1...Sa5
- 2.Sf6#
- 1...Se5
- 2.Sf6#
- 1...Sb6
- 2.Sf6#
- 1...Kxd4
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(a);XR(B)::S(I)
- R(a);::S(I)
- R(a);P_PINR(C)::S(I)
- S(c);::S(I)
- Tries
- Try
- Q(J);CHECK
- Vars
- S(c);XQ(J)::S(I)
- Refutation
- P(f);XQ(J)
- Try
- Actual
- Q(J);
- Vars
- K(e);OGATEB,P-FLIGHT,P_SPINR(a),P_SPINS(c),XP(D)::R(B)
- R(a);XR(B)::S(I)
- R(b);::S(I)
- R(a);::S(I)
- R(a);P_PINR(C)::S(I)
- S(c);::S(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).