MESON Chess Problem Database
Problem Display
PID: 110750 (8/3p1N2/1p6/1PN1R3/2Bk4/1pR1nP2/bP2K3/8 w - - 0 1)
Pallasz, Edward
Express Wieczorny, 1951
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sxc4
- 2.Rd3#
- 1...Sg4
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sf5
- 2.Rd5#
- 1...bxc5
- 2.Re4#
- 1...d5
- 2.Se6#
- 1...d6
- 2.Se6#
- 1...Bb1
- Tries
- 1.Sxd7?
- threat
- 2.Re4#
- 1...Sxc4
- 2.Rd3#
- 1...Bb1!
- threat
- 1.Bxb3?
- threat
- 2.Rd3#
- 2.Re4#
- 1...Bxb3
- 2.Sxb3#
- 1...d5
- 2.Se6#
- 1...Sc4
- 2.Rd3#
- 2.Rxc4#
- 1...Sd5
- 2.Rc4#
- 2.Re4#
- 2.Rxd5#
- 1...Bb1!
- threat
- 1.Bd3?
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sg2
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sd5
- 2.Rc4#
- 2.Re4#
- 1...Sf5
- 2.Rc4#
- 1...d5
- 2.Se6#
- 1...d6
- 2.Se6#
- 1...bxc5!
- 1...Bb1
- 1.Be6?
- threat
- 2.Rd3#
- 2.Re4#
- 1...dxe6
- 2.Sxe6#
- 1...Bb1
- 2.Sxb3#
- 1...Sc4
- 2.Rd3#
- 2.Rxc4#
- 2.Rd5#
- 1...Sd5
- 2.Re4#
- 2.Rxd5#
- 1...d5!
- threat
- 1.Rexe3?
- 1...bxc5
- 2.Red3#
- 2.Re4#
- 1...d5
- 2.Se6#
- 1...Bb1
- 2.Sxb3#
- 1...d6
- 2.Se6#
- 1...Kxc5!
- 1...bxc5
- 1.Rf5?
- 1...Sxc4
- 2.Rd3#
- 1...bxc5
- 2.Rf4#
- 1...Sd5
- 2.Rxd5#
- 1...d5
- 2.Se6#
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...d6
- 2.Se6#
- 1...Sxf5!
- 1...Sxc4
- 1.f4?
- 1...Sxc4
- 2.Rd3#
- 1...Sd5
- 2.Rxd5#
- 1...d5
- 2.Se6#
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Rd5#
- 1...Sf1
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sg4
- 2.Rd5#
- 1...Sf5
- 2.Rd5#
- 1...d6
- 2.Se6#
- 1...bxc5!
- 1...Sxc4
- 1.Sxd7?
- Keys
- 1.Bd5!
- 1...Sxd5
- 2.Re4#
- 1...bxc5
- 2.Rd3#
- 1...Sc4
- 2.Rxc4#
- 1...Bb1
- 2.Sxb3#
- 1...Sd1
- 2.Rc4#
- 1...Sf1
- 2.Rc4#
- 1...Sc2
- 2.Rc4#
- 1...Sg2
- 2.Rc4#
- 1...Sg4
- 2.Rc4#
- 1...Sf5
- 2.Rc4#
- 1...d6
- 2.Se6#
- 1...Sxd5
- 1.Bd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 9
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- B(a);N_GUARD::S(G),XP(b)
- S(c);N_GUARD::R1(H)
- S(c);SBLOCK,XB(E)::R1(C)
- S(c);N_GUARD::R1(H),XS(c)
- P(e);SBLOCK,XS(G)::R1(H)
- P(f);N_GUARD::S(G)
- Tries
- Try
- S(G);XP(f)
- Threat
- R1(H)
- Vars
- S(c);SBLOCK,XB(E)::R1(C)
- Refutation
- B(a);
- Try
- B(E);XP(b)
- Threat
- DUALS(2)
- Vars
- B(a);XB(E)::S(G),XB(a)
- P(f);N_GUARD::S(G)
- Refutation
- B(a);
- Try
- B(E);
- Vars
- B(a);N_GUARD::S(G),XP(b)
- S(c);N_GUARD::R1(C)
- S(c);N_GUARD::R1(C),XS(c)
- P(f);N_GUARD::S(G)
- Refutation
- P(e);XS(G)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- P(f);XB(E)::S(G),XP(f)
- B(a);N_GUARD::S(G),XP(b)
- Refutation
- P(f);
- Try
- R(H);XS(c)
- Vars
- P(f);N_GUARD::S(G)
- B(a);N_GUARD::S(G),XP(b)
- Refutation
- K(d);S_FLIGHT,XS(G)
- Try
- R(H);
- Vars
- S(c);SBLOCK,XB(E)::R1(C)
- P(e);SBLOCK,XS(G)::R(H)
- S(c);N_GUARD::R1(H),XS(c)
- P(f);N_GUARD::S(G)
- B(a);N_GUARD::S(G),XP(b)
- S(c);N_GUARD::R1(H)
- Refutation
- S(c);XR(H)
- Try
- P(D);
- Vars
- S(c);SBLOCK,XB(E)::R1(C)
- S(c);N_GUARD::R1(H),XS(c)
- P(f);N_GUARD::S(G)
- B(a);N_GUARD::S(G),XP(b)
- S(c);N_GUARD::R1(H)
- Refutation
- P(e);XS(G)
- Try
- Actual
- B(E);
- Vars
- S(c);SBLOCK,XB(E)::R1(H)
- P(e);SBLOCK,XS(G)::R1(C)
- S(c);N_GUARD::R1(C),XS(c)
- B(a);N_GUARD::S(G),XP(b)
- S(c);N_GUARD::R1(C)
- P(f);N_GUARD::S(G)
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).