MESON Chess Problem Database
Problem Display
PID: 243909 (6N1/3p1p1B/2nQbPr1/5k1P/2p1R3/2K3pr/2p1Rpnp/2B2Nbq w - - 0 1)
Fleck, Ferenc
Skakbladet, 1951
#2
10 + 15
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Sxg3#
- 1...Rxh5
- 2.Sxg3#
- 1...Bd5
- 2.Sh6#
- 1...Se1
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sh4
- 2.Qf4#
- 1...Sb4
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Rh4
- Tries
- 1.Kb2?
- 1...Rxh5
- 2.Sxg3#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rh4
- 2.Sxg3#
- 1...Bd5
- 2.Sh6#
- 1...Se1
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...Sb4
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...c3+!
- 1...Rxh5
- 1.Se7+?
- 1...Sxe7
- 2.Qe5#
- 1...Kxf6!
- 1...Sxe7
- 1.Rxc4?
- threat
- 2.Qd3#
- 1...Bxc4
- 2.Sh6#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rh4
- 2.Sxg3#
- 1...Bd5
- 2.Sh6#
- 1...Se1
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...Sb4
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sd4!
- threat
- 1.Rd4?
- 1...Rxh5
- 2.Sxg3#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rh4
- 2.Sxg3#
- 1...Bd5
- 2.Sh6#
- 1...Se1
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...Sb4
- 2.Re5#
- 2.Qe5#
- 1...Sa5
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sa7
- 2.Re5#
- 2.Qe5#
- 1...Se7
- 2.Re5#
- 2.Qe5#
- 1...Sb8
- 2.Re5#
- 2.Qe5#
- 1...Sd8
- 2.Re5#
- 2.Qe5#
- 1...Sxd4!
- 1...Rxh5
- 1.Rf4+?
- 1...Sxf4
- 2.Qxf4#
- 1...Kg5!
- 1...Sxf4
- 1.Rh4?
- 1...Sxh4
- 2.Qf4#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Bd5
- 2.Sh6#
- 1...Se1
- 2.Qf4#
- 1...Sb4
- 2.Re5#
- 2.Qe5#
- 1...Sd4
- 2.Re5#
- 2.Qe5#
- 1...Sa5
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sa7
- 2.Re5#
- 2.Qe5#
- 1...Se7
- 2.Re5#
- 2.Qe5#
- 1...Sb8
- 2.Re5#
- 2.Qe5#
- 1...Sd8
- 2.Re5#
- 2.Qe5#
- 1...Rxh4!
- 1...Sxh4
- 1.Qd2?
- threat
- 2.Qg5#
- 1...Rxh5
- 2.Sxg3#
- 1...Sf4
- 2.Qxf4#
- 1...Se3!
- threat
- 1.Qd5+?
- 1...Se5
- 2.Qxe5#
- 1...Bxd5!
- 1...Se5
- 1.Qxe6+?
- 1...fxe6
- 2.Bxg6#
- 1...dxe6!
- 1...fxe6
- 1.h6?
- 1...Rxh6
- 2.Sxg3#
- 1...Se3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rh4
- 2.Sxg3#
- 1...Rh5
- 2.Sxg3#
- 1...Se1
- 2.Qf4#
- 1...Sh4
- 2.Qf4#
- 1...Sb4
- 2.Qe5#
- 1...Sd4
- 2.Qe5#
- 1...Sa5
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sa7
- 2.Qe5#
- 1...Se7
- 2.Qe5#
- 1...Sb8
- 2.Qe5#
- 1...Sd8
- 2.Qe5#
- 1...Bd5!
- 1...Rxh6
- 1.Kb2?
- Keys
- 1.Qxg3!
- threat
- 2.Qxh3#
- 1...Rxg3+
- 2.Sxg3#
- 1...Rxh5
- 2.Qg4#
- 1...Se3
- 2.Qf4#
- 1...Rh4
- 2.Qg5#
- 1...Sf4
- 2.Rxf4#
- 1...Se5
- 2.Rxe5#
- threat
- 1.Qxg3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(h);N_GUARD::S(B),XP(g)
- R(h);N_GUARD,XP(F)::S(B),XP(g)
- B(l);::S(J)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- S(k);N_GUARD::QAR1(G)
- S(k);N_GUARD::QAR1(G),XS(k)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(h);N_GUARD,XP(F)::S(B),XP(g)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- R(h);N_GUARD::S(B),XP(g)
- B(l);::S(J)
- S(k);N_GUARD::QAR1(G)
- S(k);N_GUARD::QAR1(G),XS(k)
- Refutation
- P(i);CHECK
- Try
- S(J);CHECK
- Vars
- S(k);XS(J)::QAR1(G)
- Refutation
- K(j);N_SPINR(m),P-FLIGHT,P_SPINB(l),XP(H)
- Try
- R(E);XP(i)
- Threat
- QAB(G)
- Vars
- B(l);XR(E)::S(J)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- R(h);N_GUARD::S(B),XP(g)
- B(l);::S(J)
- Refutation
- S(k);
- Try
- R(E);
- Vars
- R(h);N_GUARD,XP(F)::S(B),XP(g)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- R(h);N_GUARD::S(B),XP(g)
- B(l);::S(J)
- Refutation
- S(k);XR(E)
- Try
- R(E);CHECK
- Vars
- S(e);OGATE,XR(E)::QAR1(G),XS(e)
- Refutation
- K(j);N_SPINR(m),P-FLIGHT
- Try
- R(E);
- Vars
- S(e);N_GUARD,XR(E)::QAR1(G)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- B(l);::S(J)
- Refutation
- R(h);XR(E)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- R(h);N_GUARD,XP(F)::S(B),XP(g)
- S(e);N_GUARD::QAR1(G),XS(e)
- Refutation
- S(e);
- Try
- Q(G);CHECK
- Vars
- S(k);N_GUARD,P_SPINS(k)::QAR1(G),XS(k)
- Refutation
- B(l);XQ(G)
- Try
- Q(G);CHECK,XB(l)
- Vars
- P(o);XQ(G)::B(I),XR(m)
- Refutation
- P(n);XQ(G)
- Try
- P(F);
- Vars
- R(h);N_GUARD,XP(F)::S(B),XP(g)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- R(h);N_GUARD::S(B),XP(g)
- S(k);N_GUARD::QAR1(G)
- S(k);N_GUARD::QAR1(G),XS(k)
- Refutation
- B(l);
- Try
- Actual
- Q(G);P_SPINQ(G),XP(g)
- Threat
- QAB(G),XR(h)
- Vars
- R(h);CHECK,XQ(G)::S(B),XR(h)
- R(h);N_PINQ(G),XP(F)::QAB1(G)
- S(e);N_PINQ(G)::QAR1(G)
- R(h);N_PINQ(G)::QAR1(G)
- S(e);N_GUARD::R1(E),XS(e)
- S(k);N_GUARD::R1(E),XS(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).