MESON Chess Problem Database
Problem Display
PID: 254670 (n6n/P3K3/3N2p1/1Np1k3/3pP3/2p2R2/6r1/Q7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
idee & form, 2018
#2
7 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Qxc3#
- 1...g5
- 2.Rf5#
- 1...d3
- Tries
- 1.Sa3?
- threat
- 2.Sac4#
- 1...d3
- 2.Qxc3#
- 1...c4
- 2.Saxc4#
- 1...Sb6!
- threat
- 1.Sxc3?
- threat
- 2.Sc4#
- 1...dxc3
- 2.Qxc3#
- 1...d3
- 2.Se2#
- 1...c4
- 2.Sxc4#
- 2.Qa5#
- 1...Sb6!
- threat
- 1.Qe1?
- threat
- 2.Sc4#
- 1...Re2
- 2.Qg3#
- 1...c4
- 2.Sxc4#
- 1...Sb6!
- threat
- 1.Qh1?
- threat
- 2.Qxh8#
- 1...Rh2
- 2.Qxh2#
- 1...Sf7!
- threat
- 1.Sa3?
- Keys
- 1.Sxd4!
- threat
- 2.Sc6#
- 1...Kxd4
- 2.Qxc3#
- 1...cxd4
- 2.Qa5#
- threat
- 1.Sxd4!
This is a version
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(c);OGATEB,P_SPINP(b)::QAB(A),XP(b)
- P(f);N_GUARD::R1(B)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(c);OGATEB,P_SPINP(b)::QAB(A),XP(b)
- P(d);::S(D),XP(d)
- Refutation
- S(g);
- Try
- S(D);XP(b)
- Threat
- S(E)
- Vars
- P(c);OGATE,P_SPINP(c),XS(D)::QAB(A),XP(c)
- P(c);::QAB(A)+S(D)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- S(E)
- Vars
- R(a);N_GUARD::QAB(A)
- P(d);::S(E),XP(d)
- Refutation
- S(g);
- Try
- Q(A);
- Threat
- QAB(A),XS(h)
- Vars
- R(a);N_GUARD::QAB(A),XR(a)
- Refutation
- S(h);
- Try
- Actual
- S(D);XP(c)
- Threat
- S(D)
- Vars
- K(e);OGATEB,P_SPINP(b),S_FLIGHT,XS(D)::QAB1(A),XP(b)
- P(d);OGATEB,SBLOCK,XS(D)::QAR(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).