MESON Chess Problem Database
Problem Display
PID: 161130 (5n2/3ppn2/1p5b/1P1k3N/1QR5/1p2p2B/8/B5K1 w - - 0 1)
Richter, Frank
Schach, 1982
#2
7 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Sxf4#
- 1...Bg7
- 2.Sf4#
- 1...Se5
- 2.Rd4#
- 1...Sg5
- 2.Sf4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Sf6#
- 2.Bg2#
- 1...Bf4
- Tries
- 1.Bg7?
- threat
- 2.Rd4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...Bxg7!
- threat
- 1.Rc1?
- threat
- 2.Rd1#
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...Se5
- 2.Qd4#
- 1...Se6
- 2.Bg2#
- 1...e2
- 2.Qd4#
- 1...e5
- 2.Sf6#
- 2.Rd1#
- 1...b2!
- threat
- 1.Rc2?
- threat
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...b2!
- threat
- 1.Re4?
- threat
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...e5
- 2.Sf6#
- 1...Se6!
- threat
- 1.Rf4?
- threat
- 2.Qd4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...Bg7!
- threat
- 1.Rc5+?
- 1...Kd6
- 2.Qd4#
- 1...bxc5!
- 1...Kd6
- 1.Rc6?
- threat
- 2.Bg2#
- 2.Qc4#
- 2.Qd4#
- 1...dxc6
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 2.Bg2#
- 2.Qc4#
- 1...Se5
- 2.Qd4#
- 1...Sg5
- 2.Sf4#
- 2.Qc4#
- 2.Qd4#
- 1...Sd6
- 2.Qd4#
- 1...Se6
- 2.Bg2#
- 2.Qc4#
- 1...d6
- 2.Qc4#
- 2.Qd4#
- 1...e5
- 2.Sf6#
- 2.Qc4#
- 1...b2!
- threat
- 1.Rc7?
- threat
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...b2!
- threat
- 1.Rc8?
- threat
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- 1...b2!
- threat
- 1.Bg7?
- Keys
- 1.Rh4!
- threat
- 2.Qd4#
- 1...Bg7
- 2.Sf4#
- 1...Se6
- 2.Bg2#
- 1...e5
- 2.Sf6#
- threat
- 1.Rh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- S(h);SBLOCK::R1(E)
- S(h);S_CUTB(e)::S(G)
- S(i);SBLOCK::B(C)
- P(g);N_GUARD::S(G)
- Tries
- Try
- B(A);
- Threat
- R1(E)
- Vars
- S(i);SBLOCK::B(C)
- P(g);N_GUARD,SBLOCK::S(G)
- Refutation
- B(e);XB(A)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- B(e);N_GUARD::S(G)
- S(h);::QAR1(D)
- S(i);SBLOCK::B(C)
- P(b);::QAR1(D)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- QAR1(D)
- Vars
- B(e);N_GUARD::S(G)
- S(i);SBLOCK::B(C)
- P(g);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- QAR1(D)
- Vars
- B(e);N_GUARD::S(G)
- P(g);N_GUARD::S(G)
- Refutation
- S(i);
- Try
- R(E);
- Threat
- QAR1(D)
- Vars
- S(i);SBLOCK::B(C)
- P(g);N_GUARD::S(G)
- Refutation
- B(e);
- Try
- R(E);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(D)
- Refutation
- P(d);XR(E)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- P(f);XR(E)::QAR1(D)
- S(h);::QAR1(D)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- QAR1(D)
- Vars
- B(e);N_GUARD::S(G)
- S(i);SBLOCK::B(C)
- P(g);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- QAR1(D)
- Vars
- B(e);N_GUARD::S(G)
- S(i);SBLOCK::B(C)
- P(g);N_GUARD::S(G)
- Refutation
- P(a);
- Try
- Actual
- R(E);
- Threat
- QAR1(D)
- Vars
- B(e);N_GUARD::S(G)
- S(i);SBLOCK::B(C)
- P(g);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).