MESON Chess Problem Database
Problem Display
PID: 159282 (Q7/2p5/8/2NPNp2/3k1P2/2R1r3/1nPPR1q1/1K3bbB w - - 0 1)
Hoffmann, Martin Wolfgang
Comm., Neue Zurcher Zeitung, 2004-2005
#2
11 + 8
| 15527 | schachkunst (1997-2010) (Hoffmann) | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qe4
- 2.Sb3#
- 2.Se6#
- 1...Qxd5
- 2.Qxd5#
- 1...Qxe2
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qf2
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qh2
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qg3
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qg4
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qg5
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qg6
- 2.Sb3#
- 1...Qg7
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Qg8
- 2.Sb3#
- 2.Sc6#
- 1...Rxc3
- 2.Se6#
- 1...Rd3
- 2.Sb3#
- 2.Se6#
- 1...Rf3
- 2.Sb3#
- 2.Se6#
- 1...Rg3
- 2.Sb3#
- 2.Se6#
- 1...Rh3
- 2.Sb3#
- 2.Se6#
- 1...Re4
- 2.Sb3#
- 2.Se6#
- 1...Rxe5
- 2.Sb3#
- 1...Sd1
- 2.Rc4#
- 1...Sd3
- 2.Rc4#
- 1...Sa4
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Qh3
- Tries
- 1.Sf3+?
- 1...Rxf3
- 2.Sb3#
- 2.Se6#
- 1...Qxf3!
- 1...Rxf3
- 1.Bxg2?
- threat
- 2.Sb3#
- 2.Se6#
- 2.Sc6#
- 1...Rxc3
- 2.Se6#
- 1...Rxe5
- 2.Sb3#
- 1...Sc4
- 2.Sb3#
- 2.Se6#
- 2.Rxc4#
- 1...Rf3
- 2.Sb3#
- 2.Se6#
- 2.Sxf3#
- 1...Re4
- 2.Sb3#
- 2.Se6#
- 2.Sf3#
- 1...c6
- 2.Sb3#
- 2.Se6#
- 2.Sxc6#
- 1...Bxg2!
- threat
- 1.Qa2?
- threat
- 2.Sc6#
- 1...Qxd5
- 2.Qxd5#
- 1...Rxc3
- 2.Se6#
- 1...Sc4
- 2.Qxc4#
- 1...Qg6
- 2.Sb3#
- 1...c6
- 2.Sxc6#
- 1...Rxe5!
- threat
- 1.Qa4+?
- 1...Kxd5
- 2.Qd7#
- 1...Sc4
- 2.Qxc4#
- 1...Sxa4!
- 1...Kxd5
- 1.Qg8?
- threat
- 2.Sc6#
- 1...Qxd5
- 2.Qxd5#
- 1...Rxe5
- 2.Sb3#
- 1...Sc4
- 2.Rxc4#
- 1...Qg6
- 2.Sb3#
- 1...c6
- 2.Sxc6#
- 1...Rxc3!
- threat
- 1.dxe3+?
- 1...Kxc3
- 2.Qa3#
- 2.Qa5#
- 1...Bxe3!
- 1...Kxc3
- 1.d6?
- threat
- 2.Sb3#
- 2.Se6#
- 1...Rxc3
- 2.Se6#
- 1...Rxe5
- 2.Sb3#
- 1...Qd5
- 2.Qxd5#
- 1...Qb7
- 2.Se6#
- 1...Qg6
- 2.Sb3#
- 2.Sc6#
- 2.Qd5#
- 1...Qg8
- 2.Sc6#
- 1...c6!
- threat
- 1.Sf3+?
- Keys
- 1.Qd8!
- threat
- 2.Sc6#
- 1...Rxc3
- 2.Se6#
- 1...Rxe5
- 2.Sb3#
- 1...Sc4
- 2.Rxc4#
- 1...Qg6
- 2.Sb3#
- 1...c6
- 2.Sxc6#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(d);OGATE,XP(I)::QAR1(K),XQ(d)
- Q(d);::S(H)
- R(e);XR(F)::S(H)
- R(e);XS(J)::S(H)
- S(c);N_GUARD::R1(F)
- S(c);N_GUARD::R1(F),XS(c)
- Tries
- Try
- S(J);CHECK
- Refutation
- Q(d);XS(J)
- Try
- B(B);XQ(d)
- Threat
- DUALS(3)
- Vars
- R(e);XR(F)::S(H)
- R(e);XS(J)::S(H)
- Refutation
- B(a);XB(B)
- Try
- Q(K);
- Threat
- S(J)
- Vars
- Q(d);OGATE,XP(I)::QAR1(K),XQ(d)
- R(e);XR(F)::S(H)
- S(c);N_GUARD::QAR1(K),XS(c)
- Q(d);::S(H)
- P(h);::S(J),XP(h)
- Refutation
- R(e);XS(J)
- Try
- Q(K);CHECK
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINQ(d),XP(I)::QAR2(K)
- S(c);N_GUARD,P_SPINS(c)::QAR1(K),XS(c)
- Refutation
- S(c);XQ(K)
- Try
- Q(K);
- Threat
- S(J)
- Vars
- Q(d);OGATE,XP(I)::QAR1(K),XQ(d)
- R(e);XS(J)::S(H)
- S(c);N_GUARD::R1(F),XS(c)
- Q(d);::S(H)
- P(h);::S(J),XP(h)
- Refutation
- R(e);XR(F)
- Try
- P(D);CHECK,XR(e)
- Refutation
- B(b);XP(D)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(e);XR(F)::S(H)
- R(e);XS(J)::S(H)
- Q(d);N_GUARD::QAR1(K),XQ(d)
- Q(d);::S(H)
- Q(d);N_GUARD::S(J)
- Refutation
- P(h);
- Try
- Actual
- Q(K);
- Threat
- S(J)
- Vars
- R(e);XR(F)::S(H)
- R(e);XS(J)::S(H)
- S(c);N_GUARD::R1(F),XS(c)
- Q(d);::S(H)
- P(h);::S(J),XP(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).