MESON Chess Problem Database
Problem Display
PID: 55241 (5n2/2Q5/1p2NRp1/nK1k4/1R5r/rp1N1P1B/7b/7q w - - 0 1)
Hebelt, Vaclav
2nd Prize, Sachove umeni (Ceskoslovensky sach), 1964
#2
8 + 10
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Rd4#
- 1...Rxb4+
- 2.Sxb4#
- 1...Rd4
- 2.Rxd4#
- 1...Rf4
- 2.Qe5#
- 1...Rh5
- 2.Rd4#
- 1...Rh6
- 2.Rd4#
- 1...Rh7
- 2.Rd4#
- 1...Rh8
- 2.Rd4#
- 1...Bg1
- 2.Qe5#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Qxe5#
- 1...Bxc7
- 2.Sxc7#
- 1...Sc4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sb7
- 2.Qc6#
- 1...Sxe6
- 2.Bxe6#
- 1...Rxh3
- Tries
- 1.Sdf4+?
- 1...Bxf4
- 2.Rd4#
- 1...Rxf4!
- 1...Bxf4
- 1.Sef4+?
- 1...Rxf4
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Bxf4!
- 1...Rxf4
- 1.Rbf4?
- threat
- 2.Sb4#
- 2.Qe5#
- 1...Rxf4
- 2.Qe5#
- 1...Bxf4
- 2.Sb4#
- 1...Qa1
- 2.Sb4#
- 1...Qf1
- 2.Qe5#
- 1...Ra4
- 2.Qe5#
- 1...Rh5
- 2.Sb4#
- 2.Rd4#
- 1...Sc4
- 2.Sb4#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Sb4#
- 2.Qxd7#
- 1...Qe1!
- threat
- 1.Rxh4?
- threat
- 2.Sb4#
- 2.Rd4#
- 1...Bxc7
- 2.Sxc7#
- 2.Rd4#
- 1...Sxe6
- 2.Sb4#
- 2.Bxe6#
- 1...Qe1
- 2.Rd4#
- 1...Qa1
- 2.Sb4#
- 1...Qf1
- 2.Rd4#
- 1...Qg1
- 2.Sb4#
- 1...Bg1
- 2.Sb4#
- 2.Sdf4#
- 2.Qe5#
- 1...Bf4
- 2.Sb4#
- 2.Sdxf4#
- 1...Be5
- 2.Sb4#
- 2.Qxe5#
- 1...Bd6
- 2.Rd4#
- 1...Sc6
- 2.Qxc6#
- 1...Ra4!
- threat
- 1.Rff4?
- threat
- 2.Rbd4#
- 2.Qe5#
- 1...Rxh3
- 2.Qe5#
- 1...Rxf4
- 2.Qe5#
- 1...Bxf4
- 2.Rd4#
- 1...Sxe6
- 2.Qe5#
- 2.Qd7#
- 1...Rg4
- 2.Qe5#
- 1...Qe1
- 2.Rbd4#
- 1...Qg1
- 2.Qe5#
- 1...Ra4
- 2.Qe5#
- 1...Rh5
- 2.Rbd4#
- 2.Rfd4#
- 1...Bg1
- 2.Qe5#
- 1...Sc4
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Rbd4#
- 2.Qxd7#
- 1...Qa1!
- threat
- 1.Qd8+?
- 1...Bd6
- 2.Sc7#
- 1...Sd7!
- 1...Bd6
- 1.Qb7+?
- 1...Kd6
- 2.Sxf8#
- 1...Sc6
- 2.Qxc6#
- 1...Sxb7!
- 1...Kd6
- 1.Qd7+?
- 1...Bd6
- 2.Sc7#
- 1...Sxd7!
- 1...Bd6
- 1.f4?
- threat
- 2.Rd4#
- 2.Qe5#
- 1...Rxf4
- 2.Qe5#
- 1...Bxf4
- 2.Rd4#
- 1...Sxe6
- 2.Bxe6#
- 2.Qe5#
- 2.Qd7#
- 1...Sc4
- 2.Qc6#
- 1...Qe1
- 2.Rd4#
- 1...Qa1
- 2.Bg2#
- 1...Qg1
- 2.Qe5#
- 1...Ra4
- 2.Qe5#
- 1...Rh5
- 2.Rd4#
- 1...Bg1
- 2.Qe5#
- 1...Sc6
- 2.Qxc6#
- 1...Sd7
- 2.Rd4#
- 2.Qxd7#
- 1...Qe4!
- threat
- 1.Sdf4+?
- Keys
- 1.Qf4!
- threat
- 2.Sc7#
- 2.Rd4#
- 1...Rxf4
- 2.Sc7#
- 1...Bxf4
- 2.Rd4#
- 1...Sxe6
- 2.Bxe6#
- 1...Qa1
- 2.Sc7#
- 1...Qc1
- 2.Rd4#
- 1...Qg1
- 2.Sc7#
- 1...Ra4
- 2.Sc7#
- 1...Rh7
- 2.Rd4#
- 2.Qd4#
- 1...Bg1
- 2.Sc7#
- 2.Qe5#
- 1...Sc4
- 2.Sc7#
- 1...Sc6
- 2.Sc7#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- R(e);N_GUARD,XB(C)::R1(D)
- R(e);CHECK,XR(D)::S(A),XR(e)
- R(e);N_GUARD::R1(D),XR(e)
- R(e);S_CUTB(b)::QAR1(H)
- R(e);N_GUARD::R1(D)
- B(b);N_GUARD::QAR1(H)
- B(b);S_CUTR(e)::R1(D)
- B(b);N_GUARD::QAR1(H),XB(b)
- B(b);XQ(H)::S(F),XB(b)
- S(f);N_GUARD::QAB1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(j);OGATE,XS(F)::B(C),XS(j)
- Tries
- Try
- S(A);CHECK
- Vars
- B(b);XS(A)::R1(D)
- Refutation
- R(e);XS(A)
- Try
- S(F);CHECK
- Refutation
- B(b);XS(F)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(e);XR(D)::QAR1(H)
- B(b);XR(D)::S(A)
- Q(a);::S(A)
- Q(a);P_PINS(A)::QAR1(H)
- R(c);::QAR1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- Refutation
- Q(a);
- Try
- R(D);XR(e)
- Threat
- DUALS(2)
- Vars
- Q(a);::R1(D)
- Q(a);::S(A)
- Q(a);P_PINS(A)::R1(D)
- B(b);::R1(D)
- S(f);N_GUARD::QAB1(H),XS(f)
- Refutation
- R(c);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(e);XB(C)::QAR1(H)
- R(e);XR(G)::QAR1(H)
- B(b);XR(G)::R1(D)
- R(e);::QAR1(H)
- Q(a);::R1(D)
- Q(a);::QAR1(H)
- R(c);::QAR1(H)
- B(b);::QAR1(H)
- S(f);N_GUARD::QAB1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- Refutation
- Q(a);
- Try
- Q(H);CHECK
- Vars
- B(b);P_SPINB(b)::S(F)
- Refutation
- S(j);P_SPINS(j)
- Try
- Q(H);CHECK
- Vars
- K(g);P-FLIGHT::R(G)+S(F),XS(j)
- S(f);N_GUARD,P_SPINS(f)::QAB1(H),XS(f)
- Refutation
- S(f);XQ(H)
- Try
- Q(H);CHECK
- Vars
- B(b);P_SPINB(b)::S(F)
- Refutation
- S(j);XQ(H)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(e);XP(B)::QAR1(H)
- B(b);XP(B)::R1(D)
- S(f);N_GUARD::QAB1(H)
- Q(a);::R1(D)
- Q(a);N_GUARD::B(C)
- Q(a);::QAR1(H)
- R(c);::QAR1(H)
- R(e);::R1(D)
- B(b);::QAR1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- Refutation
- Q(a);
- Try
- Actual
- Q(H);
- Threat
- DUALS(2)
- Vars
- R(e);XQ(H)::S(F)
- B(b);XQ(H)::R1(D)
- S(j);OGATE,XS(F)::B(C),XS(j)
- Q(a);::S(F)
- Q(a);::R1(D)
- R(c);::S(F)
- S(f);::S(F)
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).