MESON Chess Problem Database
Problem Display
PID: 44901 (4N2K/5R1p/2k2p1r/b4NQ1/P1P2P1p/2p2p1B/1r2PB2/1R6 w - - 0 1)
Muller, Dieter
1st Prize, Schach, 1985
#2
12 + 9
| 3748 | FIDE Album (1983-1985) | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sd4#
- 2.Se7#
- 1...Rc2
- 2.Sd4#
- 2.Se7#
- 1...Rd2
- 2.Se7#
- 1...Rxe2
- 2.Sd4#
- 1...Rb5
- 2.axb5#
- 1...Rb6
- 2.Sd4#
- 2.Rc7#
- 1...Rb7
- 2.Sd4#
- 1...Rb8
- 2.Sd4#
- 2.Se7#
- 1...Rh5
- 2.Qxf6#
- 1...Bb4
- 2.Rc7#
- 1...Bc7
- 2.Rxc7#
- 1...fxe2
- 2.Bg2#
- 2.Qg2#
- 1...Ra2
- Tries
- 1.Sg3?
- threat
- 2.Qc5#
- 2.Qd5#
- 1...Bc7
- 2.Rxc7#
- 2.Qd5#
- 1...Rd2
- 2.Qb5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 2.axb5#
- 2.cxb5#
- 1...Rh5
- 2.Qxf6#
- 1...Bb4
- 2.Rc7#
- 2.Qb5#
- 2.Qd5#
- 1...Bb6
- 2.Qd5#
- 1...f5
- 2.Qxh6#
- 1...fxg5!
- threat
- 1.Sxh4?
- threat
- 2.Qc5#
- 2.Qd5#
- 1...Bc7
- 2.Rxc7#
- 2.Qd5#
- 1...Rd2
- 2.Qb5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 2.axb5#
- 2.cxb5#
- 1...Rh5
- 2.Qxf6#
- 1...Bb4
- 2.Rc7#
- 2.Qb5#
- 2.Qd5#
- 1...Bb6
- 2.Qd5#
- 1...f5
- 2.Qxh6#
- 1...fxg5!
- threat
- 1.Sfd6?
- threat
- 2.Bd7#
- 2.Qc5#
- 2.Qd5#
- 1...fxg5
- 2.Bd7#
- 1...Rd2
- 2.Bd7#
- 2.Qb5#
- 2.Qc5#
- 1...Rb5
- 2.Bd7#
- 2.Qxb5#
- 2.axb5#
- 2.cxb5#
- 1...Rb7
- 2.Qc5#
- 2.Qd5#
- 1...Rh5
- 2.Bd7#
- 1...Bb4
- 2.Bd7#
- 2.Rc7#
- 2.Qb5#
- 2.Qd5#
- 1...Bb6
- 2.Bd7#
- 2.Qd5#
- 1...f5!
- threat
- 1.Sxh6?
- threat
- 2.Qxf6#
- 2.Qc5#
- 2.Qd5#
- 1...Rxe2
- 2.Bd7#
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Bc7
- 2.Rxc7#
- 2.Qd5#
- 1...Rd2
- 2.Qb5#
- 2.Qc5#
- 1...Rb5
- 2.Qxf6#
- 2.Qxb5#
- 2.axb5#
- 2.cxb5#
- 1...Bb4
- 2.Rc7#
- 2.Qb5#
- 2.Qd5#
- 1...Bb6
- 2.Qxf6#
- 2.Qd5#
- 1...Bd8
- 2.Qc5#
- 2.Qd5#
- 1...f5
- 2.Qf6#
- 1...fxg5!
- threat
- 1.Sfg7?
- threat
- 2.Qc5#
- 2.Qd5#
- 1...Bc7
- 2.Rxc7#
- 2.Qd5#
- 1...Rd2
- 2.Qb5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 2.axb5#
- 2.cxb5#
- 1...Rh5
- 2.Qxf6#
- 1...Bb4
- 2.Rc7#
- 2.Qb5#
- 2.Qd5#
- 1...Bb6
- 2.Qd5#
- 1...f5
- 2.Qxh6#
- 1...fxg5!
- threat
- 1.Ba7?
- threat
- 2.Sd4#
- 1...Bc7
- 2.Rxc7#
- 1...Rd2
- 2.Se7#
- 1...Bb6!
- threat
- 1.Bg2?
- threat
- 2.Bxf3#
- 1...Rxe2
- 2.Sd4#
- 1...fxg2
- 2.Qxg2#
- 1...Rb5
- 2.axb5#
- 1...Rd2!
- threat
- 1.Rxb2?
- threat
- 2.Sd4#
- 2.Se7#
- 1...fxg5
- 2.Se7#
- 1...Bb4
- 2.Rc7#
- 1...Bb6
- 2.Rxb6#
- 1...Bd8
- 2.Sd4#
- 1...cxb2!
- threat
- 1.Ra7?
- threat
- 2.Se7#
- 1...Rxe2
- 2.Sd4#
- 1...Rb7
- 2.Sd4#
- 1...Bb4
- 2.Rc7#
- 1...Bd8!
- threat
- 1.Qg2?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Bxg2#
- 1...Rd2
- 2.Se7#
- 1...Rb5
- 2.axb5#
- 1...Rxe2!
- threat
- 1.Qg4?
- threat
- 2.Qxf3#
- 1...fxe2
- 2.Bg2#
- 2.Qf3#
- 2.Qg2#
- 1...Rd2
- 2.Se7#
- 1...Rb5
- 2.axb5#
- 1...Rxe2!
- threat
- 1.Qh5?
- threat
- 2.Qxf3#
- 1...Rxe2
- 2.Sd4#
- 1...fxe2
- 2.Bg2#
- 2.Qf3#
- 1...Rd2
- 2.Se7#
- 1...Rb5
- 2.axb5#
- 1...Rxh5!
- threat
- 1.Sg3?
- Keys
- 1.Bg4!
- threat
- 2.Bxf3#
- 1...Rxe2
- 2.Sd4#
- 1...fxe2
- 2.Bf3#
- 1...Rd2
- 2.Se7#
- 1...Rb5
- 2.axb5#
- threat
- 1.Bg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(a);::S(H)
- R(a);XP(B)::S(H)
- R(a);OGATE::P(E),XR(a)
- R(h);N_GUARD::QAR(I),XP(g)
- B(e);N_GUARD::R1(J)
- B(e);N_GUARD::R1(J),XB(e)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::QAR(I),XP(g)
- B(e);::QAB1(I)
- P(g);OGATEB::QAR(I),XR(h)
- Refutation
- P(g);XQ(I)
- Try
- S(H);XP(d)
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::QAR(I),XP(g)
- B(e);::QAB1(I)
- P(g);OGATEB::QAR(I),XR(h)
- Refutation
- P(g);XQ(I)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- P(g);XQ(I)::B(D)
- R(h);::B(D)
- Refutation
- P(g);
- Try
- S(H);XR(h)
- Threat
- DUALS(3)
- Vars
- P(g);::QAR(I)
- Refutation
- P(g);XQ(I)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD::QAR(I),XP(g)
- B(e);::QAB1(I)
- P(g);OGATEB::QAR(I),XR(h)
- Refutation
- P(g);XQ(I)
- Try
- B(C);
- Threat
- S(H)
- Vars
- B(e);N_GUARD::R1(J),XB(e)
- R(a);::S(H)
- Refutation
- B(e);
- Try
- B(D);P_PINP(c)
- Threat
- B(D),XP(c)
- Vars
- R(a);XP(B)::S(H)
- P(c);N_SPINP(c),OGATE,XB(D)::QAB(I),XP(c)
- R(a);OGATE::P(E),XR(a)
- Refutation
- R(a);
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- P(g);XQ(I)::S(H)
- B(e);N_GUARD::R1(J)
- B(e);N_GUARD::R1(A),XB(e)
- B(e);::S(H)
- Refutation
- P(b);XR(A)
- Try
- R(J);
- Threat
- S(H)
- Vars
- R(a);XP(B)::S(H)
- R(a);::S(H)
- B(e);N_GUARD::R1(J)
- Refutation
- B(e);
- Try
- Q(I);P_PINP(c)
- Threat
- QAB(I),XP(c)
- Vars
- P(c);N_SPINP(c),OGATE,XQ(I)::B(D),XP(c)
- R(a);::S(H)
- R(a);OGATE::P(E),XR(a)
- Refutation
- R(a);XP(B)
- Try
- Q(I);
- Threat
- QAB(I),XP(c)
- Vars
- R(a);::S(H)
- R(a);OGATE::P(E),XR(a)
- Refutation
- R(a);XP(B)
- Try
- Q(I);
- Threat
- QAB(I),XP(c)
- Vars
- R(a);XP(B)::S(H)
- R(a);::S(H)
- R(a);OGATE::P(E),XR(a)
- Refutation
- R(h);XQ(I)
- Try
- Actual
- B(D);
- Threat
- B(D),XP(c)
- Vars
- R(a);XP(B)::S(H)
- P(c);XP(B)::B(D)
- R(a);::S(H)
- R(a);OGATE::P(E),XR(a)
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).