MESON Chess Problem Database
Problem Display
PID: 243533 (1n2Rr1n/b5Q1/3R3p/q4k2/1r5P/1b4P1/2NNPB2/3B1K2 w - - 0 1)
Burda, Josef
Sachove umeni (Ceskoslovensky sach), 2001
#2
11 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qb6
- 2.Re5#
- 1...Qc7
- 2.Re5#
- 1...Qd8
- 2.Re5#
- 1...Qa2
- 2.Re5#
- 1...Qa3
- 2.Re5#
- 1...Qa4
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 1...Qa6
- 2.Re5#
- 1...Rd4
- 2.Se3#
- 1...Rb5
- 2.e4#
- 1...Rb6
- 2.Se3#
- 2.Sd4#
- 2.e4#
- 1...Rb7
- 2.e4#
- 1...Rf6
- 2.Rxf6#
- 1...Rg8
- 2.Rf6#
- 1...Bd5
- 2.Re5#
- 1...Bf7
- 2.Rf6#
- 1...Be3
- 2.Sxe3#
- 1...Bd4
- 2.e4#
- 1...Bc5
- 2.Re5#
- 1...Sg6
- 2.Qxg6#
- 1...Sf7
- 2.Rf6#
- 2.Qg6#
- 1...h5
- 2.Qg5#
- 1...Qb6
- Tries
- 1.Sd4+?
- 1...Bxd4
- 2.e4#
- 1...Rxd4!
- 1...Bxd4
- 1.Rd4?
- threat
- 2.Se3#
- 2.e4#
- 2.g4#
- 1...Rxd4
- 2.Se3#
- 1...Bxc2
- 2.Bxc2#
- 2.g4#
- 1...Bxd4
- 2.e4#
- 1...Qb5
- 2.Se3#
- 2.g4#
- 1...Qd5
- 2.Se3#
- 2.g4#
- 1...Qe5
- 2.Rxe5#
- 2.g4#
- 1...Qa6
- 2.Se3#
- 2.Re5#
- 2.g4#
- 1...Bc4
- 2.Se3#
- 2.Rf4#
- 2.g4#
- 1...Bd5
- 2.Se3#
- 2.Re5#
- 2.g4#
- 1...h5
- 2.Se3#
- 2.Qg5#
- 2.e4#
- 1...Rxe8!
- threat
- 1.Rd5+?
- 1...Bxd5
- 2.Re5#
- 1...Qxd5!
- 1...Bxd5
- 1.Re4?
- threat
- 2.Qg4#
- 2.g4#
- 1...Rg8
- 2.Rf6#
- 2.Qf6#
- 2.g4#
- 1...Be6
- 2.g4#
- 1...Sg6
- 2.Qxg6#
- 2.g4#
- 1...h5
- 2.Qg5#
- 1...Rxe4!
- threat
- 1.Qd4?
- threat
- 2.Se3#
- 2.e4#
- 2.g4#
- 1...Rxd4
- 2.Se3#
- 1...Rxe8
- 2.Rf6#
- 2.g4#
- 1...Bxc2
- 2.Bxc2#
- 2.g4#
- 1...Bxd4
- 2.e4#
- 1...Rf6
- 2.Rxf6#
- 1...Qb5
- 2.Se3#
- 2.g4#
- 1...Qd5
- 2.Se3#
- 2.g4#
- 1...Qe5
- 2.Rxe5#
- 2.g4#
- 1...Qa6
- 2.Se3#
- 2.Re5#
- 2.g4#
- 1...Rg8
- 2.Se3#
- 2.Rf6#
- 2.e4#
- 1...Bc4
- 2.Se3#
- 2.Qe4#
- 2.Qf4#
- 2.g4#
- 1...Bd5
- 2.Se3#
- 2.Re5#
- 2.g4#
- 1...h5
- 2.Se3#
- 2.e4#
- 1...Be6!
- threat
- 1.Qd7+?
- 1...Be6
- 2.Qxe6#
- 1...Sxd7!
- 1...Be6
- 1.Qh7+?
- 1...Sg6
- 2.Qxg6#
- 1...Kg4!
- 1...Sg6
- 1.Sd4+?
- Keys
- 1.Bd4!
- threat
- 2.Se3#
- 2.e4#
- 1...Rxd4
- 2.Se3#
- 1...Rxe8
- 2.Rf6#
- 1...Bxc2
- 2.Bxc2#
- 1...Bxd4
- 2.e4#
- 1...Qb5
- 2.Se3#
- 1...Qd5
- 2.Se3#
- 1...Qe5
- 2.Rxe5#
- 1...Qa6
- 2.Se3#
- 2.Re5#
- 1...Bc4
- 2.Se3#
- 1...Bd5
- 2.Se3#
- 2.Re5#
- threat
- 1.Bd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 17
- Sets
- Q(c);N_GUARD::R1(K)
- Q(c);N_GUARD::R1(K),XQ(c)
- Q(c);N_GUARD,P_PINP(E)::R1(K)
- R(b);S_CUTB(f)::S(C)
- R(b);N_GUARD::P(E)
- R(h);N_GUARD::R1(I),XR(h)
- R(h);N_GUARD::R1(I)
- B(a);S_CUTQ(c)::R1(K)
- B(a);S_CUTR(h)::R1(I)
- B(f);N_GUARD::S(C),XB(f)
- B(f);S_CUTR(b)::P(E)
- B(f);S_CUTQ(c)::R1(K)
- S(i);N_GUARD::QAB1(J),XS(i)
- P(e);N_GUARD::QAR1(J)
- Tries
- Try
- S(C);CHECK
- Vars
- B(f);XS(C)::P(E)
- Refutation
- R(b);XS(C)
- Try
- R(I);
- Threat
- DUALS(3)
- Vars
- R(b);XR(I)::S(C)
- B(f);XR(I)::P(E)
- Refutation
- R(h);XR(K)
- Try
- R(I);CHECK
- Vars
- B(a);XR(I)::R1(K)
- Refutation
- Q(c);XR(I)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- B(a);::P(G)
- P(e);N_GUARD::QAR1(J)
- Refutation
- R(b);XR(K)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(b);XQ(J)::S(C)
- B(f);XQ(J)::P(E)
- R(h);N_GUARD::R1(I),XR(h)
- Refutation
- B(a);
- Try
- Q(J);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(J),XB(a)
- Refutation
- S(g);XQ(J)
- Try
- Q(J);CHECK
- Vars
- S(i);N_GUARD,P_SPINS(i)::QAB1(J),XS(i)
- Refutation
- K(d);P_PINB(F),S_FLIGHT
- Try
- Actual
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);XB(F)::S(C)
- R(h);N_GUARD,XR(K)::R1(I)
- B(a);OGATE,XS(C)::B(A),XB(a)
- B(f);XB(F)::P(E)
- Q(c);P_PINP(E)::S(C)
- Q(c);::S(C)
- Q(c);N_GUARD::R1(K),XQ(c)
- B(a);P_PINP(E)::S(C)
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).