MESON Chess Problem Database
Problem Display
PID: 232288 (Q3r3/1n6/4pB1b/2p5/b1R1BN2/4k2r/2p5/2K2R1N w - - 0 1)
Bottger, Horst
Freie Presse, 1978
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Rh4
- 2.Rf3#
- 1...Rh5
- 2.Rf3#
- 1...Bb5
- 2.Qa3#
- 1...Bc6
- 2.Qa3#
- 1...Bd7
- 2.Qa3#
- 1...Bxf4
- 2.Re1#
- 1...Sa5
- 2.Rc3#
- 1...Sd6
- 2.Rc3#
- 1...Sd8
- 2.Rc3#
- 1...Rh2
- Tries
- 1.Sg3?
- threat
- 2.Sg2#
- 2.Rf3#
- 2.Rc3#
- 1...Bxf4
- 2.Rf3#
- 2.Rc3#
- 1...Rh1
- 2.Sg2#
- 2.Rc3#
- 1...Rh2
- 2.Rf3#
- 2.Rc3#
- 1...Rd8
- 2.Sg2#
- 2.Rf3#
- 1...Bb5
- 2.Sg2#
- 2.Rf3#
- 2.Qa3#
- 1...e5
- 2.Sf5#
- 2.Sg2#
- 2.Sd5#
- 2.Rf3#
- 1...Rxg3!
- threat
- 1.Bxc2?
- threat
- 2.Rc3#
- 2.Re4#
- 1...Bxf4
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Re4#
- 1...Rd8
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Qa3#
- 1...Bc6
- 2.Rc3#
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- 2.Rc3#
- 1...e5
- 2.Re4#
- 1...Bxc2!
- threat
- 1.Bg2?
- threat
- 2.Re1#
- 2.Rc3#
- 2.Re4#
- 1...Rxh1
- 2.Rc3#
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Rxf3#
- 1...Rd8
- 2.Re1#
- 2.Re4#
- 1...Bb5
- 2.Re1#
- 2.Re4#
- 2.Qa3#
- 1...Bc6
- 2.Re1#
- 2.Rc3#
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- 2.Rc3#
- 1...e5
- 2.Re1#
- 2.Re4#
- 1...Bxf4!
- threat
- 1.Bc6?
- threat
- 2.Re1#
- 2.Rc3#
- 2.Re4#
- 1...Rxh1
- 2.Rc3#
- 2.Re4#
- 1...Bxc6
- 2.Qa3#
- 1...Rh2
- 2.Rf3#
- 2.Rc3#
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Rxf3#
- 2.Re4#
- 1...Rd8
- 2.Re1#
- 2.Re4#
- 1...Bb5
- 2.Re1#
- 2.Re4#
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- 2.Rc3#
- 1...e5
- 2.Re1#
- 2.Re4#
- 1...Bxf4!
- threat
- 1.Bg6?
- threat
- 2.Rc3#
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Re4#
- 1...Rd8
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Qa3#
- 1...Bc6
- 2.Rc3#
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- 2.Rc3#
- 1...e5
- 2.Re4#
- 1...Bxf4!
- threat
- 1.Bxb7?
- threat
- 2.Re1#
- 2.Rc3#
- 2.Re4#
- 1...Rxh1
- 2.Rc3#
- 2.Re4#
- 1...Rh2
- 2.Rf3#
- 2.Rc3#
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Rxf3#
- 2.Re4#
- 1...Rd8
- 2.Re1#
- 2.Re4#
- 1...Bb5
- 2.Re1#
- 2.Re4#
- 2.Qa3#
- 1...Bc6
- 2.Qa3#
- 1...e5
- 2.Re1#
- 2.Re4#
- 1...Bxf4!
- threat
- 1.Bh7?
- threat
- 2.Rc3#
- 2.Re4#
- 1...Rf3
- 2.Re1#
- 2.Re4#
- 1...Rd8
- 2.Re4#
- 1...Bb5
- 2.Re4#
- 2.Qa3#
- 1...Bc6
- 2.Rc3#
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- 2.Rc3#
- 1...e5
- 2.Re4#
- 1...Bxf4!
- threat
- 1.Bc3?
- threat
- 2.Bd2#
- 1...Bxf4
- 2.Re1#
- 1...Rh2
- 2.Rf3#
- 1...Rd8!
- threat
- 1.Be5?
- threat
- 2.Re1#
- 1...Rh2
- 2.Rf3#
- 1...Rxh1!
- threat
- 1.Qxa4?
- threat
- 2.Rc3#
- 2.Qb3#
- 2.Qa3#
- 1...Bxf4
- 2.Re1#
- 1...Rf3
- 2.Rxf3#
- 1...Ra8
- 2.Rc3#
- 2.Qb3#
- 1...Sa5
- 2.Rc3#
- 1...Rd8!
- threat
- 1.Qa5?
- threat
- 2.Qe1#
- 2.Qd2#
- 2.Qc3#
- 1...Bxf4
- 2.Re1#
- 2.Qe1#
- 2.Qd2#
- 1...Rf3
- 2.Rxf3#
- 2.Qd2#
- 1...Rd8
- 2.Qe1#
- 1...Rh2
- 2.Rf3#
- 2.Qc3#
- 1...Sxa5!
- threat
- 1.Sg3?
- Keys
- 1.Bf3!
- threat
- 2.Re4#
- 1...Rxf3
- 2.Re1#
- 1...Bxf4
- 2.Rc3#
- 1...Bc6
- 2.Qa3#
- 1...Sd6
- 2.Re1#
- threat
- 1.Bf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(c);N_GUARD::R1(B)
- R(c);N_GUARD::R1(B),XR(c)
- B(d);OGATE::QAR(H)
- B(g);SBLOCK,XS(F)::R(B)
- S(h);::R(D)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Refutation
- R(c);XS(C)
- Try
- B(E);XP(a)
- Threat
- DUALS(2)
- Vars
- B(g);XS(F)::R1(D)
- R(i);::R1(D)
- P(f);::R1(D)
- Refutation
- B(d);XB(E)
- Try
- B(E);
- Threat
- DUALS(3)
- Refutation
- B(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(d);OGATE,XB(E)::QAR(H)
- Refutation
- B(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(i);::R1(D)
- P(f);::R1(D)
- Refutation
- B(g);XS(F)
- Try
- B(E);XS(h)
- Threat
- DUALS(3)
- Vars
- B(d);OGATE::QAR(H)
- Refutation
- B(g);XS(F)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(i);::R1(D)
- P(f);::R1(D)
- Refutation
- B(g);XS(F)
- Try
- B(G);
- Threat
- B(G)
- Vars
- B(g);SBLOCK,XS(F)::R(B)
- R(c);N_GUARD::R1(B)
- Refutation
- R(i);
- Try
- B(G);
- Threat
- R(B)
- Vars
- R(c);N_GUARD::R1(B)
- Refutation
- R(c);P_PINR(B),XS(C)
- Try
- Q(H);XB(d)
- Threat
- DUALS(3)
- Vars
- B(g);SBLOCK,XS(F)::R(B)
- R(c);N_GUARD::R1(B),XR(c)
- S(h);::R(D)
- Refutation
- R(i);
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- R(i);::QAR2(H)
- Refutation
- S(h);XQ(H)
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- R(c);SBLOCK,XB(E)::R(B)
- B(g);SBLOCK,XS(F)::R(D)
- B(d);OGATE::QAR(H)
- S(h);::R(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).