MESON Chess Problem Database
Problem Display
PID: 200738 (r7/2R5/k2pp3/p7/ppKB4/4p3/4B3/8 w - - 0 1)
Hoffmann, Fritz
Jordan, Gunter
Der Gluckstadter Schachanzeiger, 2000
#2
4 + 8
| 16210 | Problemschach-Jahrbuch (2001) | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...d5+
- 2.Kc5#
- 1...e5
- 2.Kd5#
- 1...Ra7
- Tries
- 1.Kd3?
- threat
- 2.Kc2#
- 2.Kxe3#
- 2.Ke4#
- 1...Kb5
- 2.Kc2#
- 2.Kxe3#
- 2.Ke4#
- 1...b3
- 2.Kc3#
- 2.Kxe3#
- 2.Ke4#
- 1...d5
- 2.Kc2#
- 2.Kxe3#
- 1...Rb8!
- threat
- 1.Bf3?
- threat
- 2.Bb7#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...d5+!
- threat
- 1.Bxe3?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8!
- 1...d5+
- 1.Rd7?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8+!
- 1...d5+
- 1.Re7?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8+!
- 1...d5+
- 1.Rf7?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8+!
- 1...d5+
- 1.Rg7?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8+!
- 1...d5+
- 1.Rh7?
- 1...d5+
- 2.Kc5#
- 1...Ra7
- 2.Rxa7#
- 1...Rb8
- 2.Ra7#
- 1...Rd8
- 2.Ra7#
- 1...Re8
- 2.Ra7#
- 1...Rf8
- 2.Ra7#
- 1...Rg8
- 2.Ra7#
- 1...Rh8
- 2.Ra7#
- 1...a3
- 2.Kb3#
- 1...b3
- 2.Kc3#
- 1...e5
- 2.Kd5#
- 1...Rc8+!
- 1...d5+
- 1.Kd3?
- Keys
- 1.Bc5!
- threat
- 2.Kd4#
- 1...dxc5
- 2.Kxc5#
- 1...Rb8
- 2.Ra7#
- 1...e5
- 2.Kd5#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(f);CHECK::B(A)+K(B)
- P(g);::B(A)+K(B)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- DUALS(3)
- Refutation
- R(h);
- Try
- B(A);
- Threat
- B(A)
- Vars
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- Refutation
- P(f);CHECK
- Try
- B(C);XP(a)
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);P_PINR(D)
- Try
- R(D);
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);CHECK
- Try
- R(D);
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);CHECK
- Try
- R(D);
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);CHECK
- Try
- R(D);
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);CHECK
- Try
- R(D);
- Vars
- P(f);CHECK::B(A)+K(B)
- R(h);N_GUARD::R1(D),XR(h)
- R(h);N_GUARD::R1(D)
- P(b);::B(A)+K(B)
- P(c);::B(A)+K(B)
- P(g);::B(A)+K(B)
- Refutation
- R(h);CHECK
- Try
- Actual
- B(C);
- Threat
- B(A)+K(B)
- Vars
- P(f);XB(C)::B(A)+K(B),XP(f)
- R(h);N_GUARD::R1(D)
- P(g);::B(A)+K(B)
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).