MESON Chess Problem Database
Problem Display
PID: 106910 (4N3/1KNnB1Rp/1pB3nR/1Qbrk1p1/4p1P1/2PpP1P1/8/6q1 w - - 0 1)
Molnar, Henrik
Herpai TT, 1951
#2
12 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.cxd4#
- 1...Rd6
- 2.Bxd6#
- 1...Ba3
- 2.Qxd5#
- 1...Bxe3
- 2.Bd6#
- 2.Qxd5#
- 1...Bb4
- 2.Qxd5#
- 1...Bd4
- 2.Bd6#
- 2.Qxd5#
- 2.cxd4#
- 1...Bd6
- 2.Bxd6#
- 2.Qxd5#
- 1...Bxe7
- 2.Qxd5#
- 1...Sf4
- 2.Rxg5#
- 1...Sh4
- 2.Re6#
- 1...Sxe7
- 2.Re6#
- 1...Sgf8
- 2.Rxg5#
- 1...Sh8
- 2.Re6#
- 2.Rxg5#
- 1...Sf6
- 2.Bxf6#
- 1...Sb8
- 2.Bf6#
- 1...Sdf8
- 2.Bf6#
- 1...Rd4
- Tries
- 1.Sd6?
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Bxd6
- 2.Qxd5#
- 1...Qf2
- 2.Sc4#
- 1...Qf1
- 2.Sc4#
- 1...Rd4
- 2.Sf7#
- 2.cxd4#
- 1...Sh8
- 2.Sc4#
- 2.Re6#
- 2.Rxg5#
- 1...Rxd6!
- threat
- 1.Bd6+?
- 1...Bxd6
- 2.Qxd5#
- 1...Rxd6!
- 1...Bxd6
- 1.Rhxg6?
- threat
- 2.Rxg5#
- 2.Re6#
- 1...Qxe3
- 2.Re6#
- 1...Bxe3
- 2.Bd6#
- 2.Re6#
- 2.Qxd5#
- 1...Bxe7
- 2.Re6#
- 2.Rxe7#
- 2.Qxd5#
- 1...Qf2
- 2.Re6#
- 1...Qf1
- 2.Re6#
- 1...Rd6
- 2.Bxd6#
- 2.Rxg5#
- 1...Sf6
- 2.Bxf6#
- 2.Rxg5#
- 1...Sf8
- 2.Bf6#
- 2.Rxg5#
- 1...h6
- 2.Re6#
- 1...hxg6!
- threat
- 1.Rgxg6?
- threat
- 2.Rxg5#
- 2.Re6#
- 1...Qxe3
- 2.Re6#
- 1...Bxe3
- 2.Bd6#
- 2.Re6#
- 2.Qxd5#
- 1...Bxe7
- 2.Re6#
- 2.Qxd5#
- 1...Qf2
- 2.Re6#
- 1...Qf1
- 2.Re6#
- 1...Rd6
- 2.Bxd6#
- 2.Rxg5#
- 1...Sf6
- 2.Bxf6#
- 2.Rxg5#
- 1...Sf8
- 2.Bf6#
- 2.Rxg5#
- 1...hxg6!
- threat
- 1.Qb3?
- threat
- 2.Qxd5#
- 1...Sxe7
- 2.Re6#
- 1...Rd4
- 2.Qe6#
- 1...Sf4
- 2.Rxg5#
- 1...Sf6
- 2.Bxf6#
- 1...Rd6!
- threat
- 1.Sd6?
- Keys
- 1.Qc4!
- threat
- 2.Qxd5#
- 1...Sxe7
- 2.Re6#
- 1...Rd4
- 2.Qe6#
- 1...Rd6
- 2.Qxe4#
- 1...Sf4
- 2.Rxg5#
- 1...Sf6
- 2.Bxf6#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(e);OGATE,P_SPINB(d)::P(A),XR(e)
- R(e);N_GUARD,P_SPINB(d)::B(J),XR(e)
- B(d);OGATE,P_SPINR(e)::QAR1(E),XR(e)
- B(d);OGATE,P_SPINR(e),XB(J)::QAR1(E),XR(e)
- S(i);OGATE::R(K),XP(g)
- S(i);OGATE::R1(G)
- S(i);OGATE,XB(J)::R1(G)
- S(j);N_GUARD::B(J),XS(j)
- S(j);N_GUARD::B(J)
- Tries
- Try
- S(L);
- Threat
- DUALS(2)
- Vars
- B(d);OGATE,P_SPINR(e),XS(L)::QAR1(E),XR(e)
- Q(a);::S(L)
- Refutation
- R(e);P_SPINB(d),XS(L)
- Try
- B(J);CHECK
- Vars
- B(d);OGATE,P_SPINR(e),XB(J)::QAR1(E),XR(e)
- Refutation
- R(e);P_SPINB(d),XB(J)
- Try
- R(G);XS(i)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::R1(G)
- Q(a);::R1(G)
- P(k);::R1(G)
- Refutation
- P(k);XR(G)
- Try
- R(K);XS(i)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::R1(K)
- Q(a);::R1(K)
- Refutation
- P(k);XR(K)
- Try
- Q(E);
- Threat
- QAR1(E),XR(e)
- Vars
- S(i);OGATE,XB(J)::R1(G)
- R(e);OGATE::QAR1(E)
- S(i);OGATE::R(K),XP(g)
- S(j);N_GUARD::B(J),XS(j)
- Refutation
- R(e);
- Try
- Actual
- Q(E);
- Threat
- QAR1(E),XR(e)
- Vars
- S(i);OGATE,XB(J)::R1(G)
- R(e);OGATE::QAR1(E)
- R(e);::QAR1(E),XP(c)
- S(i);OGATE::R(K),XP(g)
- S(j);N_GUARD::B(J),XS(j)
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).