MESON Chess Problem Database
Problem Display
PID: 149587 (8/3p4/p1P2Kp1/1b1kNR2/4N2R/1Pp3pQ/8/4q1BB w - - 0 1)
Pribyl, Vaclav
Sachove umeni (Ceskoslovensky sach), 1965
#2
10 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.bxc4#
- 1...Bxc6
- 2.Sxg6#
- 1...dxc6
- 2.Sxg6#
- 1...d6
- 2.Sxc3#
- 1...Bc4
- Tries
- 1.Sd3+?
- 1...gxf5
- 2.Sb4#
- 1...Kxc6!
- 1...gxf5
- 1.Sc4+?
- 1...gxf5
- 2.Sxc3#
- 1...Kxc6!
- 1...gxf5
- 1.Sf7+?
- 1...gxf5
- 2.Sxc3#
- 1...Kxc6!
- 1...gxf5
- 1.Rh7?
- threat
- 2.Rxd7#
- 1...Bxc6
- 2.Sxg6#
- 1...dxc6
- 2.Sxg6#
- 2.Rd7#
- 1...d6
- 2.Sxc3#
- 1...g2!
- threat
- 1.Rff4?
- threat
- 2.Qxd7#
- 1...dxc6
- 2.Qe6#
- 2.Qd7#
- 1...d6
- 2.Sxc3#
- 2.Qe6#
- 1...Bxc6!
- threat
- 1.Sd3+?
- Keys
- 1.Rf3!
- threat
- 2.Qxd7#
- 1...Bxc6
- 2.Rd3#
- 1...dxc6
- 2.Qe6#
- 2.Qd7#
- 1...d6
- 2.Qe6#
- threat
- 1.Rf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(d);OGATE::P(C),XB(d)
- B(d);SBLOCK,XP(I)::R(H)+S(G),XP(g)
- P(h);SBLOCK,XP(I)::R(H)+S(G),XP(g)
- P(h);SBLOCK::B(B)+S(E),DCHECK,XP(b)
- Tries
- Try
- S(G);CHECK
- Vars
- P(g);XR(H)::S(G)
- Refutation
- K(e);S_FLIGHT,XP(I)
- Try
- S(G);CHECK
- Vars
- P(g);XR(H)::B(B)+S(E),DCHECK,XP(b)
- Refutation
- K(e);S_FLIGHT,XP(I)
- Try
- S(G);CHECK
- Vars
- P(g);XR(H)::B(B)+S(E),DCHECK,XP(b)
- Refutation
- K(e);S_FLIGHT,XP(I)
- Try
- R(F);
- Threat
- R(F),XP(h)
- Vars
- B(d);SBLOCK,XP(I)::R(H)+S(G),XP(g)
- P(h);SBLOCK::B(B)+S(E),DCHECK,XP(b)
- Refutation
- P(c);
- Try
- R(H);
- Threat
- QAR2(D),XP(h)
- Refutation
- B(d);XP(I)
- Try
- Actual
- R(H);
- Threat
- QAR2(D),XP(h)
- Vars
- B(d);N_GUARD,XP(I)::R(H)
- P(h);N_GUARD::QAB1(D)
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).