MESON Chess Problem Database
Problem Display
PID: 234922 (1R1RB1q1/r1P3p1/2N2p1b/p1k1p3/5n1Q/2P1Np2/5B1K/4nb2 w - - 0 1)
Haring, Jacobus
Deutsche Schachzeitung, 1958
#2
10 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bc4
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Se6
- 2.Rd5#
- 1...f5
- 2.Qe7#
- 1...Bc4
- Tries
- 1.Sxa5?
- threat
- 2.Sd1#
- 2.Sxf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Rxa5
- 2.c8Q#
- 2.c8R#
- 1...Qa2
- 2.Sc2#
- 1...Qc4
- 2.Sexc4#
- 1...Qd5
- 2.Sxd5#
- 1...Be2
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Bg2
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sxg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 2.Rb5#
- 1...Bd3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Bh3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 2.Rb5#
- 1...Bc4
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sexc4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Bb5
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 2.Rxb5#
- 1...Ba6
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sf5#
- 1...Sc2
- 2.Sxc2#
- 1...Seg2
- 2.Sxg2#
- 1...Sed3
- 2.Rb5#
- 1...Se2
- 2.Rb5#
- 2.Qb4#
- 1...Sfg2
- 2.Qb4#
- 1...Sfd3
- 2.Rb5#
- 1...Sh3
- 2.Qb4#
- 1...Sd5
- 2.Sb3#
- 1...Sh5
- 2.Qb4#
- 1...Se6
- 2.Sb3#
- 2.Rd5#
- 2.Qb4#
- 1...Sg6
- 2.Qb4#
- 1...f5
- 2.Sd1#
- 2.Sxf1#
- 2.Sc2#
- 2.Sg2#
- 2.Sec4#
- 2.Sg4#
- 2.Sd5#
- 2.Sxf5#
- 2.Qe7#
- 1...e4!
- threat
- 1.Sxa5?
- Keys
- 1.Sxe5!
- threat
- 2.Sd1#
- 2.Sxf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 1...fxe5
- 2.Qe7#
- 1...Qa2
- 2.Sc2#
- 1...Qc4
- 2.S3xc4#
- 1...Qd5
- 2.Sxd5#
- 1...Be2
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 1...Bg2
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sxg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 2.Rb5#
- 1...Bd3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 1...Bh3
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 2.Rb5#
- 1...Bc4
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3xc4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 1...Bb5
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 2.Rxb5#
- 1...Ba6
- 2.Sd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sf5#
- 1...Sc2
- 2.Sxc2#
- 1...Seg2
- 2.Sxg2#
- 1...Sed3
- 2.Rb5#
- 1...Se2
- 2.Rb5#
- 1...Sfg2
- 2.Qd4#
- 1...Sfd3
- 2.Rb5#
- 2.Qd4#
- 1...Sh3
- 2.Qd4#
- 1...Sd5
- 2.Qd4#
- 1...Sh5
- 2.Qd4#
- 1...Se6
- 2.Rd5#
- 1...Sg6
- 2.Qd4#
- 1...f5
- 2.Sd1#
- 2.Sxf1#
- 2.Sc2#
- 2.Sg2#
- 2.S3c4#
- 2.S3g4#
- 2.Sd5#
- 2.Sxf5#
- 2.Qe7#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 1
- Sets
- S(d);N_GUARD,S_CUTQ(l)::R1(I)
- P(h);OGATE::QAB(E)
- Tries
- Try
- S(F);XP(e)
- Threat
- DUALS(8)
- Vars
- R(j);N_GUARD,XS(F)::P=Q
- Q(l);P_PINB(A)::B(A)+S(D)
- Q(l);::B(A)+S(D),XQ(l)
- S(a);::B(A)+S(D),XS(a)
- S(a);S_CUTB(b)::R1(H)
- S(d);OGATE::QAB1(E)
- S(d);S_CUTB(b)::R1(H)
- S(d);S_CUTQ(l)::S(F)
- Refutation
- P(g);
- Try
- Actual
- S(F);XP(g)
- Threat
- DUALS(8)
- Vars
- P(h);OGATE,XS(F)::QAB(E)
- Q(l);P_PINB(A)::B(A)+S(D)
- Q(l);::B(A)+S(D),XQ(l)
- S(a);::B(A)+S(D),XS(a)
- S(a);S_CUTB(b)::R1(H)
- S(d);S_CUTB(b)::R1(H)
- S(d);OGATE::QAB1(E)
- S(d);N_GUARD,S_CUTQ(l)::R1(I)
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).