MESON Chess Problem Database
Problem Display
PID: 232194 (8/4q3/2n1Q3/1n1ppPp1/3Nk1K1/2pR1p2/4PB2/1b6 w - - 0 1)
Bottger, Horst
Freie Presse, 1974
#2
7 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.exf3#
- 1...Sbxd4
- 2.Re3#
- 1...Scxd4
- 2.Re3#
- 1...Bxd3
- Tries
- 1.Sc2?
- threat
- 2.Re3#
- 2.Qxd5#
- 1...Qxe6
- 2.Re3#
- 1...Bxc2
- 2.Qxd5#
- 1...Qd6
- 2.Re3#
- 1...Qd8
- 2.Re3#
- 1...Qa7
- 2.Qxd5#
- 1...Qd7
- 2.Re3#
- 1...Qf7
- 2.Re3#
- 1...Ba2
- 2.Re3#
- 1...Sbd4
- 2.Re3#
- 1...Sc7
- 2.Re3#
- 1...Sb4
- 2.Re3#
- 1...Scd4
- 2.Re3#
- 1...d4
- 2.Qxc6#
- 1...Qc5!
- threat
- 1.Sxf3?
- threat
- 2.Re3#
- 2.Qxd5#
- 1...Qxe6
- 2.Sxg5#
- 2.Re3#
- 1...Qc5
- 2.Sxg5#
- 1...Qd6
- 2.Sxg5#
- 2.Re3#
- 1...Qd8
- 2.Re3#
- 1...Qa7
- 2.Sxg5#
- 2.Qxd5#
- 1...Qd7
- 2.Sxg5#
- 2.Re3#
- 1...Qf7
- 2.Sxg5#
- 2.Re3#
- 1...Ba2
- 2.Re3#
- 1...Sbd4
- 2.Re3#
- 1...Sc7
- 2.Re3#
- 1...Sb4
- 2.Re3#
- 1...Scd4
- 2.Re3#
- 1...d4
- 2.Qxc6#
- 1...Bxd3!
- threat
- 1.Sxb5?
- threat
- 2.Sxc3#
- 2.Re3#
- 2.Qxd5#
- 1...Qxe6
- 2.Sxc3#
- 2.Re3#
- 1...Bxd3
- 2.Sxc3#
- 2.exf3#
- 1...fxe2
- 2.Re3#
- 2.Qxd5#
- 1...Qa3
- 2.Re3#
- 2.Qxd5#
- 1...Qb4
- 2.Re3#
- 2.Qxd5#
- 1...Qd6
- 2.Sxc3#
- 2.Sxd6#
- 2.Re3#
- 1...Qd8
- 2.Sxc3#
- 2.Re3#
- 1...Qa7
- 2.Sxc3#
- 2.Sd6#
- 2.Qxd5#
- 1...Qd7
- 2.Sxc3#
- 2.Re3#
- 1...Qf7
- 2.Sxc3#
- 2.Sd6#
- 2.Re3#
- 1...Ba2
- 2.Sxc3#
- 2.Re3#
- 1...Sb4
- 2.Sxc3#
- 2.Re3#
- 2.Rd4#
- 1...Sd4
- 2.Sxc3#
- 2.Re3#
- 2.Rxd4#
- 1...c2
- 2.Sc3#
- 2.Re3#
- 2.Qxd5#
- 1...d4
- 2.Qxc6#
- 1...Qc5!
- threat
- 1.Sxc6?
- threat
- 2.Re3#
- 2.Qxd5#
- 1...Qxe6
- 2.Re3#
- 1...Bxd3
- 2.exf3#
- 1...Qc5
- 2.Qxe5#
- 1...Qd6
- 2.Re3#
- 1...Qd8
- 2.Re3#
- 2.Qxe5#
- 1...Qa7
- 2.Qxd5#
- 2.Qxe5#
- 1...Qd7
- 2.Re3#
- 2.Qxe5#
- 1...Qf7
- 2.Re3#
- 2.Qxe5#
- 1...Ba2
- 2.Re3#
- 1...Sd4
- 2.Re3#
- 2.Rxd4#
- 1...Sc7
- 2.Re3#
- 2.Rd4#
- 1...d4!
- threat
- 1.Sc2?
- Keys
- 1.Sb3!
- threat
- 2.Re3#
- 2.Qxd5#
- 1...Qxe6
- 2.Sc5#
- 2.Re3#
- 1...Bxd3
- 2.exf3#
- 1...Qc5
- 2.Sxc5#
- 1...Qd6
- 2.Re3#
- 1...Qd8
- 2.Sc5#
- 2.Re3#
- 1...Qa7
- 2.Qxd5#
- 1...Qd7
- 2.Sc5#
- 2.Re3#
- 1...Qf7
- 2.Sc5#
- 2.Re3#
- 1...Sbd4
- 2.Re3#
- 1...Sc7
- 2.Re3#
- 1...Sb4
- 2.Re3#
- 1...Scd4
- 2.Re3#
- 1...d4
- 2.Qxc6#
- threat
- 1.Sb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- B(a);SBLOCK,XR(C)::P(A),XP(c)
- S(e);SBLOCK,XS(D)::R1(C)
- S(i);SBLOCK,XS(D)::R1(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(j);N_SPINP(g),P_PINP(F),XQ(G)::R1(C)
- B(a);XS(D)::QAB1(G),XP(f)
- Q(j);::R1(C)
- Q(j);::QAB1(G),XP(f)
- B(a);::R1(C)
- S(e);::R1(C)
- S(i);::R1(C)
- P(f);OGATEB::QAB(G),XS(i)
- Refutation
- Q(j);
- Try
- S(D);XP(c)
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD::S(D),XP(h)
- Q(j);::R1(C)
- B(a);::R1(C)
- S(e);::R1(C)
- S(i);::R1(C)
- P(f);OGATEB::QAB(G),XS(i)
- Refutation
- B(a);XR(C)
- Try
- S(D);XS(e)
- Threat
- DUALS(3)
- Vars
- P(f);OGATEB::QAB(G),XS(i)
- Refutation
- Q(j);
- Try
- S(D);XS(i)
- Threat
- DUALS(2)
- Vars
- Q(j);N_SPINP(g),P_PINP(F),XQ(G)::R1(C)
- B(a);SBLOCK,XR(C)::P(A),XP(c)
- Q(j);N_GUARD::QAR1(G),XP(g)
- Q(j);::R1(C)
- B(a);::R1(C)
- Refutation
- P(f);
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- B(a);SBLOCK,XR(C)::P(A),XP(c)
- Q(j);N_GUARD::S(D),XQ(j)
- Q(j);::R1(C)
- Q(j);::QAB1(G),XP(f)
- S(e);::R1(C)
- S(i);::R1(C)
- P(f);OGATEB::QAB(G),XS(i)
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).