MESON Chess Problem Database
Problem Display
PID: 229266 (8/8/N2N4/8/B1r5/R1pk1p2/3p1B2/1b1K4 w - - 0 1)
Hochberger, Alfred
Nepszava, 1926
#2
6 + 6
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 1...Re4
- 2.Sc5#
- 1...Rf4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...Ba2
- 2.Bc2#
- 1...Bc2+
- 2.Bxc2#
- 1...Rxa4
- Tries
- 1.Bg1?
- 1...Bc2+
- 2.Bxc2#
- 1...Rxa4
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 1...Re4
- 2.Sc5#
- 1...Rf4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...Ba2
- 2.Bc2#
- 1...f2!
- 1...Bc2+
- 1.Bb5?
- threat
- 2.Sb4#
- 2.Sc5#
- 2.Bxc4#
- 1...Ba2
- 2.Sb4#
- 2.Sc5#
- 1...Bc2+!
- threat
- 1.Ra1?
- 1...Bc2+
- 2.Bxc2#
- 1...Rxa4
- 2.Sc5#
- 1...Ba2
- 2.Bc2#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 1...Re4
- 2.Sc5#
- 1...Rf4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...c2+!
- 1...Bc2+
- 1.Ra2?
- 1...Bc2+
- 2.Bxc2#
- 1...Rxa4
- 2.Sc5#
- 1...Bxa2
- 2.Bc2#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 1...Re4
- 2.Sc5#
- 1...Rf4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...c2+!
- 1...Bc2+
- 1.Rxc3+?
- 1...Rxc3
- 2.Sb4#
- 1...Kxc3!
- 1...Rxc3
- 1.Bg1?
- Keys
- 1.Bb3!
- threat
- 2.Bxc4#
- 1...Bc2+
- 2.Bxc2#
- 1...c2+
- 2.Bxc2#
- 1...Ra4
- 2.Sc5#
- 1...Rb4
- 2.Sxb4#
- 2.Sc5#
- 1...Rd4
- 2.Sc5#
- 1...Re4
- 2.Sc5#
- 1...Rf4
- 2.Sc5#
- 1...Rg4
- 2.Sc5#
- 1...Rh4
- 2.Sc5#
- 1...Rc5
- 2.Sb4#
- 2.Sxc5#
- 1...Rc6
- 2.Sb4#
- 1...Rc7
- 2.Sb4#
- 1...Rc8
- 2.Sb4#
- 1...Ba2
- 2.Bc2#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD,XB(D)::S(E)
- R(f);N_GUARD::S(E)
- B(a);N_GUARD::B(D)
- B(a);CHECK,N_GUARD::B(D),XB(a)
- Tries
- Try
- B(B);
- Vars
- B(a);CHECK,N_GUARD::B(D),XB(a)
- R(f);N_GUARD,XB(D)::S(E)
- R(f);N_GUARD::S(E)
- B(a);N_GUARD::B(D)
- Refutation
- P(e);
- Try
- B(D);P_PINR(f)
- Threat
- DUALS(3)
- Refutation
- B(a);CHECK
- Try
- R(C);N_PINP(c)
- Vars
- B(a);CHECK,N_GUARD::B(D),XB(a)
- R(f);N_GUARD,XB(D)::S(E)
- B(a);N_GUARD::B(D)
- R(f);N_GUARD::S(E)
- Refutation
- P(c);CHECK
- Try
- R(C);N_PINP(c)
- Vars
- B(a);CHECK,N_GUARD::B(D),XB(a)
- R(f);N_GUARD,XB(D)::S(E)
- B(a);N_GUARD,XR(C)::B(D)
- R(f);N_GUARD::S(E)
- Refutation
- P(c);CHECK
- Try
- R(C);CHECK,XP(c)
- Vars
- R(f);SBLOCK,XR(C)::S(E)
- Refutation
- K(d);P-FLIGHT,XR(C)
- Try
- Actual
- B(D);N_PINP(c)
- Threat
- B(D),XR(f)
- Vars
- B(a);CHECK,N_GUARD::B(D),XB(a)
- P(c);CHECK::R(C)+B(D),DCHECK,XP(c)
- R(f);N_GUARD::S(E)
- B(a);N_GUARD::B(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).