MESON Chess Problem Database
Problem Display
PID: 160986 (Q1R2B2/P3N2B/3pP3/Kp1Np3/3k2p1/2n3Rb/2nr1P2/b7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Suomen Shakki, 1976
#2
11 + 10
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Re2
- 2.Rd3#
- 1...Rxf2
- 2.Rd3#
- 1...Rd3
- 2.Rxd3#
- 1...Se3
- 2.fxe3#
- 1...Se4
- 2.Sf5#
- 1...Sxd5
- 2.Qxd5#
- 1...e4
- 2.Bg7#
- 1...Re2
- Tries
- 1.Sxc3?
- threat
- 2.Sxb5#
- 2.Sf5#
- 2.Qe4#
- 2.Qd5#
- 1...Rxf2
- 2.Sxb5#
- 2.Rd3#
- 2.Qe4#
- 2.Qd5#
- 1...e4
- 2.Bg7#
- 2.Qxe4#
- 2.Qd5#
- 1...Re2
- 2.Sxe2#
- 2.Sxb5#
- 2.Sf5#
- 2.Rd3#
- 2.Qd5#
- 1...Bf1
- 2.Sf5#
- 2.Qe4#
- 2.Qd5#
- 1...Bg2
- 2.Sxb5#
- 2.Sf5#
- 1...Sa3
- 2.Sf5#
- 2.Qe4#
- 2.Qd5#
- 1...Se3
- 2.Sxb5#
- 2.Qe4#
- 2.fxe3#
- 1...Sb4
- 2.Sxb5#
- 2.Sf5#
- 2.Qe4#
- 1...b4
- 2.Sb5#
- 2.Sf5#
- 2.Qe4#
- 2.Qd5#
- 1...d5
- 2.Sxb5#
- 2.Sf5#
- 2.Qxd5#
- 1...Bxc3+!
- threat
- 1.Sb4?
- threat
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...e4
- 2.Bg7#
- 1...Se3
- 2.fxe3#
- 1...Sd5
- 2.Qxd5#
- 1...d5!
- threat
- 1.Sf4?
- threat
- 2.Sf5#
- 1...exf4
- 2.Bg7#
- 1...e4
- 2.Bg7#
- 1...Se3
- 2.fxe3#
- 1...Sd5
- 2.Qxd5#
- 1...d5!
- threat
- 1.Sf6?
- threat
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...Se3
- 2.fxe3#
- 1...e4!
- threat
- 1.Re3?
- threat
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...Sxe3
- 2.fxe3#
- 1...e4
- 2.Bg7#
- 1...g3!
- threat
- 1.Qc6?
- threat
- 2.Qb6#
- 1...Sxd5
- 2.Qxd5#
- 1...e4
- 2.Bg7#
- 1...Se4
- 2.Sf5#
- 1...Sa4!
- threat
- 1.Qb7?
- threat
- 2.Qb6#
- 1...Sxd5
- 2.Qxd5#
- 1...e4
- 2.Bg7#
- 1...Se4
- 2.Sf5#
- 1...Sa4!
- threat
- 1.Sxc3?
- Keys
- 1.Sb6!
- threat
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...e4
- 2.Bg7#
- 1...Se3
- 2.fxe3#
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Sc6#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(c);N_GUARD::R1(B)
- R(c);N_GUARD,XP(A)::R1(B)
- R(c);N_GUARD::R1(B),XR(c)
- S(b);OGATE::P(A),XS(b)
- S(d);SBLOCK::S(G)
- S(d);OGATE,XS(D)::QAR1(I),XS(d)
- P(i);OGATEB::B(K)
- Tries
- Try
- S(D);XS(d)
- Threat
- DUALS(4)
- Refutation
- B(a);CHECK,XS(D)
- Try
- S(D);
- Threat
- S(G)
- Vars
- R(c);N_GUARD,XP(A)::R1(B)
- P(i);OGATEB::B(K)
- S(b);OGATE::P(A),XS(b)
- S(d);N_GUARD::QAR1(I),XS(d)
- Refutation
- P(j);
- Try
- S(D);
- Threat
- S(G)
- Vars
- P(i);OGATEB,XS(D)::B(K)
- P(i);OGATEB::B(K)
- S(b);OGATE::P(A),XS(b)
- S(d);N_GUARD::QAR1(I),XS(d)
- Refutation
- P(j);
- Try
- S(D);
- Threat
- S(G)
- Vars
- R(c);N_GUARD,XP(A)::R1(B)
- S(b);OGATE::P(A),XS(b)
- Refutation
- P(i);
- Try
- R(B);
- Threat
- S(G)
- Vars
- R(c);N_GUARD,XP(A)::R1(B)
- S(b);OGATE,XR(B)::P(A),XS(b)
- P(i);OGATEB::B(K)
- Refutation
- P(g);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(d);OGATE,XS(D)::QAR1(I),XS(d)
- P(i);OGATEB::B(K)
- S(d);SBLOCK::S(G)
- Refutation
- S(d);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(d);OGATE,XS(D)::QAR1(I),XS(d)
- P(i);OGATEB::B(K)
- S(d);SBLOCK::S(G)
- Refutation
- S(d);
- Try
- Actual
- S(D);
- Threat
- S(G)
- Vars
- R(c);N_GUARD,XP(A)::R1(B)
- P(i);OGATEB::B(K)
- S(b);OGATE::P(A),XS(b)
- S(d);N_GUARD::QAR1(I),XS(d)
- P(j);::S(G)
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).