MESON Chess Problem Database
Problem Display
PID: 225226 (4RB2/bQ1P4/p4np1/rp2Pb2/pPNkB3/4Np2/RP2P3/7K w - - 0 1)
Kiss, Ivan
5th HM., Suomen Shakki, 1982
#2
13 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bxe4
- 2.Qxa7#
- 1...Bc5
- 2.Bxc5#
- 1...Bb8
- 2.Bc5#
- 1...Sxe4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sxd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Sxe8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...bxc4
- 2.Sc2#
- 1...Bxe4
- Tries
- 1.Bxf3?
- threat
- 2.Qxa7#
- 1...Sxd7
- 2.Qd5#
- 1...Bc5
- 2.Bxc5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Bc5#
- 2.Qb6#
- 1...Se4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...bxc4!
- threat
- 1.Bxf5?
- threat
- 2.Qxa7#
- 1...Sxd7
- 2.Qe4#
- 2.Qd5#
- 2.Qxd7#
- 1...bxc4
- 2.Sc2#
- 1...Bc5
- 2.Bxc5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Bc5#
- 2.Qb6#
- 1...Se4
- 2.Qxe4#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...gxf5!
- threat
- 1.Ra1?
- threat
- 2.Rd1#
- 1...Bxe4
- 2.Qxa7#
- 1...Sxe4
- 2.Qd5#
- 1...bxc4
- 2.Sc2#
- 1...Sd5
- 2.Qxd5#
- 1...fxe2!
- threat
- 1.Rc8?
- threat
- 2.Sc2#
- 1...Bxe4
- 2.Qxa7#
- 1...Sd5
- 2.Qxd5#
- 1...Bc5
- 2.Bxc5#
- 1...bxc4!
- threat
- 1.Qc6?
- threat
- 2.Sc2#
- 1...Sd5
- 2.Qxd5#
- 1...Bc5
- 2.Bxc5#
- 1...Bxe4!
- threat
- 1.exf3?
- threat
- 2.Qxa7#
- 1...Sxe4
- 2.Qd5#
- 1...Sxd7
- 2.Qd5#
- 1...bxc4
- 2.Sc2#
- 1...Bc5
- 2.Bxc5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Bc5#
- 2.Qb6#
- 1...Sd5
- 2.Qxd5#
- 1...Bxe4!
- threat
- 1.exf6?
- threat
- 2.Qd5#
- 2.Qxa7#
- 1...Bxe4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qxa7#
- 1...bxc4
- 2.Sc2#
- 1...Bc5
- 2.Bxc5#
- 2.Qd5#
- 1...Bb6
- 2.Qd5#
- 2.Qxb6#
- 1...Bb8
- 2.Bc5#
- 2.Qd5#
- 2.Qb6#
- 1...Be6!
- threat
- 1.d8Q+?
- 1...Sd5
- 2.Qbxd5#
- 2.Qdxd5#
- 1...Sd7
- 2.Qd5#
- 1...Bd7!
- 1...Sd5
- 1.d8R+?
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Bd7!
- 1...Sd5
- 1.Bxf3?
- Keys
- 1.Ra3!
- threat
- 2.Rd3#
- 1...Bxe4
- 2.Qxa7#
- 1...bxc4
- 2.Sc2#
- 1...Sd5
- 2.Qxd5#
- threat
- 1.Ra3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(f);SBLOCK,XB(H)::QAB(J),XB(j)
- B(j);N_GUARD::B(M),XB(j)
- B(j);N_GUARD::B(M)
- S(h);N_GUARD,XB(H)::QAR1(J)
- S(h);N_GUARD::QAR1(J)
- S(h);N_GUARD::QAR1(J),XS(h)
- S(h);N_GUARD,XP(K)::QAR1(J)
- S(h);N_GUARD,XR(L)::QAR1(J)
- P(e);SBLOCK,XS(G)::S(E)
- Tries
- Try
- B(H);XP(a)
- Threat
- QAB(J),XB(j)
- Vars
- S(h);N_GUARD,XP(K)::QAR1(J)
- B(j);N_GUARD::B(M),XB(j)
- B(j);N_GUARD::QAB(J),XB(j)
- S(h);N_GUARD::QAR1(J)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- P(e);XS(G)
- Try
- B(H);XB(f)
- Threat
- QAB(J),XB(j)
- Vars
- P(e);SBLOCK,XS(G)::S(E)
- B(j);N_GUARD::B(M),XB(j)
- B(j);N_GUARD::QAB(J),XB(j)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- P(i);XB(H)
- Try
- R(B);
- Threat
- R(B)
- Vars
- B(f);SBLOCK,XB(H)::QAB(J),XB(j)
- S(h);N_GUARD,XB(H)::QAR1(J)
- P(e);SBLOCK,XS(G)::S(E)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- P(a);XP(D)
- Try
- R(L);
- Threat
- S(E)
- Vars
- B(f);SBLOCK,XB(H)::QAB(J),XB(j)
- S(h);N_GUARD::QAR1(J),XS(h)
- B(j);N_GUARD::B(M),XB(j)
- Refutation
- P(e);XS(G)
- Try
- Q(J);
- Threat
- S(E)
- Vars
- S(h);N_GUARD::QAR1(J),XS(h)
- B(j);N_GUARD::B(M),XB(j)
- Refutation
- B(f);XB(H)
- Try
- P(D);XP(a)
- Threat
- QAB(J),XB(j)
- Vars
- S(h);N_GUARD,XB(H)::QAR1(J)
- S(h);N_GUARD,XP(K)::QAR1(J)
- P(e);SBLOCK,XS(G)::S(E)
- B(j);N_GUARD::B(M),XB(j)
- B(j);N_GUARD::QAB(J),XB(j)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- B(f);P_PINP(D),XB(H)
- Try
- P(I);XS(h)
- Threat
- DUALS(2)
- Vars
- P(e);SBLOCK,XS(G)::S(E)
- Refutation
- B(f);
- Try
- P(K);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR1(J)
- Refutation
- B(f);P_SPINB(f)
- Try
- P(K);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAR1(J),XS(h)
- S(h);N_GUARD,P_SPINS(h)::QAR1(J)
- Refutation
- B(f);P_SPINB(f)
- Try
- Actual
- R(B);
- Threat
- R1(B)
- Vars
- B(f);SBLOCK,XB(H)::QAB(J),XB(j)
- P(e);SBLOCK,XS(G)::S(E)
- S(h);N_GUARD::QAR1(J),XS(h)
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).