MESON Chess Problem Database
Problem Display
PID: 221365 (1r2N3/8/p1RN3K/kp1P4/p7/P7/5B2/8 w - - 0 1)
Salai (Snr), Ladislav
Praca Prvotina, 1952
#2
7 + 5
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- Tries
- 1.Kg5?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Kh5?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Kg6?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Kg7?
- 1...Rb7+
- 2.Sxb7#
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rb7+
- 1.Kh7?
- 1...Rb7+
- 2.Sxb7#
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rb7+
- 1.Sc7?
- threat
- 2.Rxa6#
- 1...Rb6
- 2.Bxb6#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rh8+!
- threat
- 1.Bg1?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Be3?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Bd4?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Ba7?
- 1...Rxe8
- 2.Sb7#
- 2.Bb6#
- 1...Rb6
- 2.Bxb6#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 2.Bb6#
- 1...Rc8
- 2.Sb7#
- 2.Bb6#
- 1...Rd8
- 2.Sb7#
- 2.Bb6#
- 1...b4!
- 1...Rxe8
- 1.Rb6?
- 1...Rxe8
- 2.Sb7#
- 1...b4
- 2.Sc4#
- 2.axb4#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Rc8
- 2.Sb7#
- 1...Rd8
- 2.Sb7#
- 1...Rxb6!
- 1...Rxe8
- 1.Kg5?
- Keys
- 1.Rc5!
- threat
- 2.Sc4#
- 1...Kb6
- 2.Rxb5#
- 1...Rb6
- 2.Be1#
- threat
- 1.Rc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- K(F);P-FLIGHT
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- K(F);P-FLIGHT
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- K(F);S_FLIGHT
- Vars
- R(e);CHECK,N_GUARD::S(E),XR(e)
- R(e);N_GUARD::B(A),XR(e)
- Refutation
- P(c);
- Try
- K(F);P-FLIGHT
- Vars
- R(e);CHECK,N_GUARD::S(E),XR(e)
- R(e);N_GUARD::B(A),XR(e)
- Refutation
- P(c);
- Try
- S(G);
- Threat
- R1(D),XP(d)
- Vars
- R(e);N_GUARD::B(A),XR(e)
- Refutation
- R(e);CHECK
- Try
- B(A);
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- R(e);N_GUARD::B(A),XR(e)
- R(e);N_GUARD::S(E),XR(e)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- R(e);N_GUARD,XS(G)::S(E)
- R(e);N_GUARD::S(E),XR(e)
- R(e);N_GUARD::S(E)
- Refutation
- R(e);P_PINS(E),XR(D)
- Try
- Actual
- R(D);P_PINP(c)
- Threat
- S(E)
- Vars
- K(b);N_SPINP(c),S_FLIGHT::B(A)+R(D),DCHECK,XP(c)
- R(e);P_PINS(E),SBLOCK::B(A)
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).