MESON Chess Problem Database
Problem Display
PID: 108843 (B1N1R2B/2pp4/2r1q3/1ppN1p2/4kn2/RQ2npP1/KP3P2/8 w - - 0 1)
Legentil, Georges
Club des Masques, 1935
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra6
- 2.Qxe3#
- 1...Rb6
- 2.Qxe3#
- 1...Rd6
- 2.Qxe3#
- 1...Sd1
- 2.Qxf3#
- 1...Sf1
- 2.Qxf3#
- 1...Sc2
- 2.Qxf3#
- 1...Seg2
- 2.Qxf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sexd5
- 2.Qxf3#
- 1...Se2
- 2.Qd3#
- 1...Sfg2
- 2.Qd3#
- 1...Sd3
- 2.Sc3#
- 2.Qxd3#
- 1...Sh3
- 2.Qd3#
- 1...Sfxd5
- 2.Qd3#
- 1...Sh5
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...Ra6
- Tries
- 1.Sxf4?
- 1...Qxe8
- 2.Qd3#
- 2.Qxe3#
- 1...Qe5
- 2.Qd3#
- 2.Qxe3#
- 1...Qe7
- 2.Rxe7#
- 2.Qd3#
- 2.Qxe3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sg2
- 2.Qd5#
- 1...Sc4
- 2.Qc2#
- 2.Qd3#
- 2.Qxf3#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qc2#
- 2.Qxd5#
- 2.Qd3#
- 2.Qxf3#
- 1...c4
- 2.Qxe3#
- 1...d5
- 2.Qd3#
- 2.Qxe3#
- 1...d6
- 2.Rxe6#
- 2.Qxe6#
- 1...b4!
- 1...Qxe8
- 1.Scb6?
- threat
- 2.Qxe3#
- 1...Sexd5
- 2.Qxf3#
- 1...Sfxd5
- 2.Qd3#
- 1...Sd1
- 2.Qxf3#
- 1...Sf1
- 2.Qxf3#
- 1...Sc2
- 2.Qxf3#
- 1...Seg2
- 2.Qxf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sfg2
- 2.Qd3#
- 1...Sd3
- 2.Sc3#
- 2.Qxd3#
- 1...cxb6!
- threat
- 1.Sd6+?
- 1...Rxd6
- 2.Qxe3#
- 1...cxd6!
- 1...Rxd6
- 1.Bxc6?
- threat
- 2.Qxe3#
- 1...Sexd5
- 2.Qe3#
- 2.Qxf3#
- 1...Sd1
- 2.Qxf3#
- 1...Sf1
- 2.Qxf3#
- 1...Sc2
- 2.Qxf3#
- 1...Seg2
- 2.Qxf3#
- 1...Sc4
- 2.Qxf3#
- 1...Sg4
- 2.Qxf3#
- 1...Sfg2
- 2.Qd3#
- 1...Sd3
- 2.Sc3#
- 2.Qxd3#
- 1...dxc6!
- threat
- 1.Rxe6+?
- 1...Rxe6
- 2.Qxe3#
- 1...Sxe6
- 2.Qd3#
- 1...dxe6!
- 1...Rxe6
- 1.gxf4?
- threat
- 2.Qd3#
- 1...Sxd5
- 2.Qxf3#
- 1...c4!
- threat
- 1.Sxf4?
- Keys
- 1.Sxc7!
- threat
- 2.Sd6#
- 1...Qe5
- 2.Qxe3#
- 1...Sc4
- 2.Qxf3#
- 1...Sed5
- 2.Qxf3#
- 1...Sfd5
- 2.Qd3#
- 1...d5
- 2.Qxe3#
- 1...d6
- 2.Sxd6#
- threat
- 1.Sxc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- R(h);P_PINR(D)::QAR1(E),XS(a)
- R(h);::QAR1(E),XS(a)
- S(a);OGATE::QAB1(E),XP(b)
- S(a);OGATE,SBLOCK,XS(G)::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- S(d);N_GUARD,XS(G)::QAB1(E)
- Tries
- Try
- S(G);P_PINR(h),P_SPINQ(E),XS(d)
- Vars
- S(a);N_GUARD::QAB1(E)
- P(f);N_PINQ(E)::QAR1(E),XS(a)
- Refutation
- P(e);
- Try
- S(I);
- Threat
- QAR1(E),XS(a)
- Vars
- S(a);OGATE,XS(G)::QAB1(E),XP(b)
- S(d);N_GUARD,XS(G)::QAB1(E)
- S(a);OGATE::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- Refutation
- P(j);XS(I)
- Try
- S(I);CHECK
- Vars
- R(h);XS(I)::QAR1(E),XS(a)
- Refutation
- P(j);XS(I)
- Try
- B(H);XR(h)
- Threat
- QAR1(E),XS(a)
- Vars
- S(a);OGATE::QAB1(E),XP(b)
- S(d);N_GUARD::QAB1(E)
- Refutation
- P(k);XB(H)
- Try
- R(J);CHECK,XQ(i)
- Vars
- R(h);XR(J)::QAR1(E),XS(a)
- S(d);XR(J)::QAB1(E)
- Refutation
- P(k);XR(J)
- Try
- P(F);XS(d)
- Threat
- QAB1(E)
- Vars
- S(a);OGATE,SBLOCK,XS(G)::QAB1(E),XP(b)
- Refutation
- P(f);
- Try
- Actual
- S(G);P_PINR(h),P_SPINQ(E),XP(j)
- Threat
- S(I)
- Vars
- Q(i);N_PINQ(E)::QAR1(E),XS(a)
- S(a);N_PINQ(E)::QAB1(E),XP(b)
- S(a);N_PINQ(E),N_SPINR(h)::QAB1(E),XP(b)
- S(d);N_PINQ(E),N_SPINR(h)::QAB1(E)
- P(k);N_PINQ(E),N_SPINR(h)::QAR1(E),XS(a)
- P(k);::S(I),XP(k)
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).