MESON Chess Problem Database
Problem Display
PID: 233257 (8/2p3Q1/2Rp1KB1/4N3/2Pk4/r2p1P2/n7/1b1N4 w - - 0 1)
Muller, Dieter
Freie Presse, 1973
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...dxe5
- 2.Qd7#
- 1...dxe5
- Tries
- 1.Kg5?
- threat
- 2.Sxd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...dxe5
- 2.Qd7#
- 1...d2
- 2.Sd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...Ra5!
- threat
- 1.Ke6?
- threat
- 2.Sxd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...dxe5
- 2.Qxe5#
- 2.Qd7#
- 1...d2
- 2.Sd3#
- 2.Sg4#
- 2.Sd7#
- 2.Sf7#
- 1...Ra5!
- threat
- 1.Sg4?
- threat
- 2.Kf5#
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 2.Kf7#
- 1...d2
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 2.Kf7#
- 1...Ra5!
- threat
- 1.Sd7?
- threat
- 2.Kf5#
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 2.Kf7#
- 1...d2
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 2.Kf7#
- 1...Ra5!
- threat
- 1.Sf7?
- threat
- 2.Kf5#
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 1...d2
- 2.Kg5#
- 2.Ke6#
- 2.Ke7#
- 1...Ra5!
- threat
- 1.Bf5?
- threat
- 2.Qg1#
- 2.Qg4#
- 1...dxe5
- 2.Qg1#
- 2.Qd7#
- 1...Sc3
- 2.Qg1#
- 1...d2!
- threat
- 1.Bh5?
- threat
- 2.Qg1#
- 2.Qg4#
- 1...dxe5
- 2.Qg1#
- 2.Qd7#
- 1...Sc3
- 2.Qg1#
- 1...d2!
- threat
- 1.Bf7?
- threat
- 2.Qg1#
- 2.Qg4#
- 1...dxe5
- 2.Qg1#
- 1...Sc3
- 2.Qg1#
- 1...d2!
- threat
- 1.Bh7?
- threat
- 2.Qg1#
- 2.Qg4#
- 1...dxe5
- 2.Qg1#
- 2.Qd7#
- 1...Sc3
- 2.Qg1#
- 1...d2!
- threat
- 1.Be8?
- threat
- 2.Qg1#
- 2.Qg4#
- 1...dxe5
- 2.Qg1#
- 2.Qd7#
- 1...Sc3
- 2.Qg1#
- 1...d2!
- threat
- 1.Qh6?
- threat
- 2.Qe3#
- 2.Qf4#
- 2.Qh4#
- 1...dxe5
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 1...d2!
- threat
- 1.Qxc7?
- threat
- 2.Rxd6#
- 2.Qb6#
- 2.Qxd6#
- 1...dxe5
- 2.Rd6#
- 2.Qxe5#
- 2.Qb6#
- 2.Qd6#
- 2.Qd8#
- 2.Qd7#
- 1...Rb3
- 2.Rxd6#
- 2.Qxd6#
- 1...Ra6
- 2.Qxd6#
- 1...Sc3
- 2.Qb6#
- 1...Sb4
- 2.Qb6#
- 1...d5
- 2.Qb6#
- 1...Ra5!
- threat
- 1.f4?
- threat
- 2.Sf3#
- 1...dxe5
- 2.Qd7#
- 1...d2!
- threat
- 1.Kg5?
- Keys
- 1.Bxd3!
- threat
- 2.Qg1#
- 2.Qg4#
- 1...Rxd3
- 2.Qg4#
- 1...Bxd3
- 2.Qg1#
- 1...dxe5
- 2.Qd7#
- 1...Sc3
- 2.Qg1#
- threat
- 1.Bxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(f);OGATEB,XS(D)::QAR(H)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(4)
- Vars
- P(f);OGATEB,P_SPINP(f),SBLOCK,XS(D)::QAR(H)
- Refutation
- R(c);P_PINS(D)
- Try
- K(F);P-FLIGHT
- Threat
- DUALS(4)
- Refutation
- R(c);
- Try
- S(D);
- Threat
- DUALS(5)
- Refutation
- R(c);
- Try
- S(D);
- Threat
- DUALS(5)
- Refutation
- R(c);
- Try
- S(D);
- Threat
- DUALS(4)
- Refutation
- R(c);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB(H)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB(H)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- P(f);XS(D)::QAB(H)
- S(b);::QAB(H)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB(H)
- Refutation
- P(d);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(b);::QAB(H)
- Refutation
- P(d);
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- P(f);XS(D)::QAB1(H)
- S(b);::QAB1(H)
- Refutation
- P(d);
- Try
- Q(H);XP(g)
- Threat
- DUALS(3)
- Vars
- R(c);::QAR2(H),XP(f)
- S(b);::QAB(H)
- P(f);::QAB(H)
- Refutation
- R(c);
- Try
- P(B);
- Threat
- S(D)
- Vars
- P(f);OGATEB,XS(D)::QAR(H)
- Refutation
- P(d);
- Try
- Actual
- B(G);XP(d)
- Threat
- DUALS(2)
- Vars
- R(c);XB(G)::QAR(H)
- B(a);XB(G)::QAB(H)
- P(f);OGATEB,XS(D)::QAR(H)
- S(b);::QAB(H)
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).