MESON Chess Problem Database
Problem Display
PID: 91452 (n3KR2/1b2N3/5p1n/2Qpk3/r3PN1R/2ppPP2/6q1/8 w - - 0 1)
Slagmolen, Cornelis
Probleemblad, 1992
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Seg6#
- 1...Qh1
- 2.Seg6#
- 1...Qh3
- 2.Seg6#
- 1...Qa2
- 2.Seg6#
- 1...Qb2
- 2.Seg6#
- 1...Qc2
- 2.Seg6#
- 1...Qd2
- 2.Seg6#
- 1...Qe2
- 2.Seg6#
- 1...Qf2
- 2.Seg6#
- 1...Qh2
- 2.Seg6#
- 1...Qg6+
- 2.Sexg6#
- 1...Rd4
- 2.exd4#
- 1...Ba6
- 2.Sc6#
- 2.Qxd5#
- 1...Bc6+
- 2.Sxc6#
- 1...Bc8
- 2.Sc6#
- 2.Qxd5#
- 1...Sg4
- 2.Seg6#
- 1...Sb6
- 2.Qc7#
- 1...Sc7+
- 2.Qxc7#
- 1...Qf1
- Tries
- 1.Rh5+?
- 1...Qg5
- 2.Seg6#
- 1...Sf5
- 2.Rxf5#
- 1...f5!
- 1...Qg5
- 1.Qc6?
- threat
- 2.Sxd3#
- 2.Qe6#
- 2.Qxf6#
- 1...Qg6+
- 2.Sfxg6#
- 2.Sexg6#
- 1...Sc7+
- 2.Qxc7#
- 1...Qxf3
- 2.Sxd3#
- 2.Sfg6#
- 2.Qe6#
- 1...dxe4
- 2.Qe6#
- 2.Qxf6#
- 1...Qf1
- 2.Sfg6#
- 2.Seg6#
- 2.Qe6#
- 2.Qxf6#
- 1...Qh3
- 2.Sxd3#
- 2.Sfg6#
- 2.Seg6#
- 2.Qxf6#
- 1...Qc2
- 2.Sfg6#
- 2.Seg6#
- 2.Qe6#
- 2.Qxf6#
- 1...Qd2
- 2.Sfg6#
- 2.Seg6#
- 2.Qe6#
- 2.Qxf6#
- 1...Qe2
- 2.Sfg6#
- 2.Seg6#
- 2.Qe6#
- 2.Qxf6#
- 1...Qg4
- 2.Sxd3#
- 2.Qxf6#
- 1...Qg5
- 2.Sxd3#
- 2.Qe6#
- 1...Qg7
- 2.Sxd3#
- 2.Qe6#
- 1...Qg8
- 2.Sxd3#
- 2.Qxf6#
- 1...Rd4
- 2.Qe6#
- 2.Qxf6#
- 1...Ra6
- 2.Sxd3#
- 1...Ba6
- 2.Qxd5#
- 2.Qe6#
- 2.Qxf6#
- 1...Bc8
- 2.Sxd3#
- 2.Qxd5#
- 2.Qxf6#
- 1...Sg4
- 2.Sxd3#
- 2.Sfg6#
- 2.Seg6#
- 2.Qe6#
- 1...Sf7
- 2.Sxd3#
- 2.Qe6#
- 1...Sg8
- 2.Sxd3#
- 2.Qe6#
- 1...d2
- 2.Sd3#
- 2.Qe6#
- 2.Qxf6#
- 1...f5
- 2.Sxd3#
- 2.Qe6#
- 2.Qf6#
- 1...Bxc6+!
- threat
- 1.Rh5+?
- Keys
- 1.exd5!
- threat
- 2.Sxd3#
- 1...Qg6+
- 2.Sfxg6#
- 1...Bc6+
- 2.dxc6#
- 1...Sc7+
- 2.Qxc7#
- 1...Rxf4
- 2.exf4#
- 1...Bxd5
- 2.Qxd5#
- 1...Qf1
- 2.Sfg6#
- 1...Qc2
- 2.Sfg6#
- 1...Qd2
- 2.Sfg6#
- 1...Qe2
- 2.Sfg6#
- 1...Rd4
- 2.exd4#
- 1...Ba6
- 2.d6#
- 1...d2
- 2.Sd3#
- threat
- 1.exd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD::S(G)
- Q(a);CHECK,N_GUARD::S(G),XQ(a)
- R(d);OGATE::P(A),XR(d)
- B(i);CHECK,N_GUARD::S(G),XB(i)
- S(h);S_CUTQ(a)::S(G)
- S(j);N_GUARD::QAB(F)
- S(j);CHECK,N_GUARD::QAB(F),XS(j)
- Tries
- Try
- R(E);CHECK
- Vars
- Q(a);P_SPINQ(a)::S(G)
- S(h);N_GUARD,P_SPINS(h)::R1(E),XS(h)
- Refutation
- P(g);
- Try
- Q(F);N_PINP(e)
- Threat
- DUALS(3)
- Vars
- S(j);CHECK,N_GUARD::QAB(F),XS(j)
- R(d);::S(D),XP(c)
- Refutation
- B(i);CHECK,XQ(F)
- Try
- Actual
- P(C);XP(e)
- Threat
- S(D),XP(c)
- Vars
- Q(a);CHECK,N_GUARD::S(D),XQ(a)
- B(i);CHECK,OGATE::QAR(F)+P(C),XB(i)
- S(j);CHECK,N_GUARD::QAB(F),XS(j)
- R(d);OGATE,XS(D)::P(A),XR(d)
- B(i);OGATE,P_SPINB(i),XP(C)::QAR1(F),XB(i)
- Q(a);N_GUARD::S(D)
- R(d);OGATE::P(A),XR(d)
- B(i);N_GUARD::QAR(F)+P(C)
- P(c);::S(D)
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).