MESON Chess Problem Database
Problem Display
PID: 233482 (r6n/R1p3pQ/1p1P1Pp1/3PN1R1/4kp2/2K1p3/B4P1N/4n3 w - - 0 1)
Schreckenbach, Michael
Freie Presse, 1984
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb8
- 2.Ra4#
- 1...Rc8
- 2.Ra4#
- 1...Rd8
- 2.Ra4#
- 1...Re8
- 2.Ra4#
- 1...Rf8
- 2.Ra4#
- 1...Rg8
- 2.Ra4#
- 1...Sc2
- 2.f3#
- 1...Sg2
- 2.f3#
- 1...Sd3
- 2.f3#
- 1...Sf7
- 2.Qxg6#
- 1...f3
- 2.Qh4#
- 1...Rb8
- Tries
- 1.Sd3?
- threat
- 2.Re5#
- 1...Sxd3
- 2.f3#
- 1...cxd6
- 2.Re7#
- 1...gxf6
- 2.Qe7#
- 1...Re8
- 2.Ra4#
- 1...Sf7
- 2.Qxg6#
- 1...Sf3!
- threat
- 1.Sef3?
- threat
- 2.Re5#
- 1...Sxf3
- 2.Bb1#
- 1...cxd6
- 2.Re7#
- 1...gxf6
- 2.Qe7#
- 1...Re8
- 2.Ra4#
- 1...Sf7
- 2.Qxg6#
- 1...Sd3!
- threat
- 1.Sc4?
- threat
- 2.Re5#
- 1...cxd6
- 2.Sxd6#
- 2.Re7#
- 1...gxf6
- 2.Qe7#
- 1...f3
- 2.Qh4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...Sf7
- 2.Qxg6#
- 1...Re8!
- threat
- 1.Seg4?
- threat
- 2.Re5#
- 1...cxd6
- 2.Re7#
- 1...gxf6
- 2.Sxf6#
- 2.Qe7#
- 1...Re8
- 2.Ra4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...Sf7
- 2.Qxg6#
- 1...f3!
- threat
- 1.Sxg6?
- threat
- 2.Re5#
- 1...Sxg6
- 2.Qxg6#
- 1...cxd6
- 2.Re7#
- 1...gxf6
- 2.Qe7#
- 1...Re8
- 2.Ra4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...Sf7!
- threat
- 1.Sd7?
- threat
- 2.Re5#
- 1...gxf6
- 2.Sxf6#
- 2.Qe7#
- 1...f3
- 2.Qh4#
- 1...Re8
- 2.Ra4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...Sf7
- 2.Qxg6#
- 1...cxd6!
- threat
- 1.Sf7?
- threat
- 2.Re5#
- 1...Sxf7
- 2.Qxg6#
- 1...cxd6
- 2.Sxd6#
- 2.Re7#
- 1...f3
- 2.Qh4#
- 1...Re8
- 2.Ra4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...gxf6!
- threat
- 1.Sd3?
- Keys
- 1.Sc6!
- threat
- 2.Re5#
- 1...cxd6
- 2.Re7#
- 1...gxf6
- 2.Qe7#
- 1...f3
- 2.Qh4#
- 1...Re8
- 2.Ra4#
- 1...Sd3
- 2.f3#
- 1...Sf3
- 2.Bb1#
- 1...Sf7
- 2.Qxg6#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(j);N_GUARD::QAB(K),XP(f)
- P(d);OGATEB::QAR(K)
- Tries
- Try
- S(F);
- Threat
- R1(G)
- Vars
- S(a);N_GUARD,XS(F)::P(B)
- P(g);OGATE,XP(H)::R(J)
- P(h);OGATE,XP(I)::QAR(K)
- R(i);N_GUARD::R(J)
- S(j);N_GUARD::QAB(K),XP(f)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- S(a);N_GUARD,XS(F)::B(A)
- P(g);OGATE,XP(H)::R(J)
- P(h);OGATE,XP(I)::QAR(K)
- R(i);N_GUARD::R(J)
- S(j);N_GUARD::QAB(K),XP(f)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- P(h);OGATE,XP(I)::QAR(K)
- P(d);OGATEB::QAR(K)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- S(j);N_GUARD::QAB(K),XP(f)
- Refutation
- R(i);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- P(g);OGATE,XP(H)::R(J)
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- S(j);N_GUARD::QAB(K),XP(f)
- Refutation
- P(d);
- Try
- S(F);XP(f)
- Threat
- R1(G)
- Vars
- S(j);OGATE,P_SPINS(j),XS(F)::QAB(K),XS(j)
- P(g);OGATE,XP(H)::R(J)
- P(h);OGATE,XP(I)::QAR(K)
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- Refutation
- S(j);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- P(d);OGATEB::QAR(K)
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- S(j);N_GUARD::QAB(K),XP(f)
- Refutation
- P(g);XP(H)
- Try
- S(F);
- Threat
- R1(G)
- Vars
- S(j);N_GUARD,XS(F)::QAB(K),XP(f)
- P(d);OGATEB::QAR(K)
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- Refutation
- P(h);XP(I)
- Try
- Actual
- S(F);
- Threat
- R1(G)
- Vars
- P(g);OGATE,XP(H)::R(J)
- P(h);OGATE,XP(I)::QAR(K)
- P(d);OGATEB::QAR(K)
- R(i);N_GUARD::R(J)
- S(a);N_GUARD::P(B)
- S(a);N_GUARD::B(A)
- S(j);N_GUARD::QAB(K),XP(f)
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).