MESON Chess Problem Database
Problem Display
PID: 99192 (b2q4/2pp2BQ/1p3r2/5n2/1R5p/N2Pk1n1/5RPb/1B2K3 w - - 0 1)
Janosi, Ervin
Magyar Sakkelet, 1976
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc6
- 2.Rf3#
- 1...Rd6
- 2.Sc4#
- 1...Re6
- 2.Sc4#
- 1...Rg6
- 2.Sc4#
- 1...Rh6
- 2.Sc4#
- 1...Rf7
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...Bf3
- 2.Rxf3#
- 1...Sf1
- 2.Re2#
- 1...Sh1
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Se4
- 2.Rf3#
- 1...Sh5
- 2.Re2#
- 1...Sd4
- 2.Sc4#
- 1...Sd6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Se7
- 2.Sc2#
- 1...Sxg7
- 2.Sc2#
- 1...c6
- 2.Rf3#
- 1...d5
- 2.Rf3#
- 1...Rc6
- Tries
- 1.Bh6+?
- 1...Sxh6
- 2.Sc2#
- 1...Rxh6!
- 1...Sxh6
- 1.Rd4?
- threat
- 2.Sc2#
- 1...Sxd4
- 2.Sc4#
- 1...Rc6
- 2.Rf3#
- 1...Kxd4!
- threat
- 1.Qxf5?
- threat
- 2.Sc2#
- 1...Rxf5
- 2.Sc4#
- 2.Bd4#
- 1...Sxf5
- 2.Re2#
- 1...Rc6
- 2.Bd4#
- 2.Rf3#
- 2.Qf3#
- 2.Qf4#
- 1...Se4
- 2.Re2#
- 2.Rf3#
- 1...Be4!
- threat
- 1.Qxh4?
- threat
- 2.Sc4#
- 2.Qg5#
- 2.Qf4#
- 1...Sxg7
- 2.Sc4#
- 2.Qd4#
- 1...Qg8
- 2.Qg5#
- 2.Qf4#
- 1...Rc6
- 2.Rf3#
- 2.Qf4#
- 1...Rd6
- 2.Sc4#
- 2.Qf4#
- 1...Re6
- 2.Sc4#
- 2.Qf4#
- 1...Rg6
- 2.Sc4#
- 2.Qf4#
- 1...Rh6
- 2.Sc4#
- 2.Qf4#
- 1...Rf7
- 2.Sc4#
- 2.Qf4#
- 1...Rf8
- 2.Sc4#
- 2.Qf4#
- 1...Be4
- 2.Qg5#
- 2.Qf4#
- 1...Bd5
- 2.Qg5#
- 2.Qf4#
- 1...Sf1
- 2.Sc4#
- 2.Re2#
- 1...Sh1
- 2.Sc4#
- 2.Re2#
- 1...Se2
- 2.Sc4#
- 2.Rxe2#
- 1...Se4
- 2.Re2#
- 2.Rf3#
- 1...Sh5
- 2.Sc4#
- 2.Re2#
- 1...Sd4
- 2.Sc4#
- 2.Qxd4#
- 1...Sd6
- 2.Qd4#
- 1...Sh6
- 2.Sc4#
- 2.Qd4#
- 1...Se7
- 2.Sc4#
- 2.Qd4#
- 1...b5
- 2.Qg5#
- 2.Qf4#
- 1...d5
- 2.Rf3#
- 2.Qg5#
- 2.Qf4#
- 1...Sxh4!
- threat
- 1.Qh6+?
- 1...Rxh6
- 2.Sc4#
- 1...Sxh6!
- 1...Rxh6
- 1.Bh6+?
- Keys
- 1.Qg6!
- threat
- 2.Qg5#
- 1...Rxg6
- 2.Sc4#
- 1...Sxg7
- 2.Sc2#
- 1...Rc6
- 2.Rf3#
- 1...Rd6
- 2.Sc4#
- 1...Re6
- 2.Sc4#
- 1...Rf7
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...Sf1
- 2.Re2#
- 1...Sh1
- 2.Re2#
- 1...Se2
- 2.Rxe2#
- 1...Se4
- 2.Rf3#
- 1...Sh5
- 2.Re2#
- 1...Sd4
- 2.Sc4#
- 1...Sd6
- 2.Sc2#
- 1...Sh6
- 2.Sc2#
- 1...Se7
- 2.Sc2#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(g);S_CUTB(j)::R1(C)
- R(g);::S(E)
- B(j);N_GUARD::R1(C),XB(j)
- S(c);N_GUARD::R1(C)
- S(c);N_GUARD::R1(C),XS(c)
- S(c);S_CUTB(j)::R1(C)
- S(e);SBLOCK::S(E)
- S(e);::S(E)
- S(e);XB(H)::S(E)
- P(h);S_CUTB(j)::R1(C)
- P(i);S_CUTB(j)::R1(C)
- Tries
- Try
- B(H);CHECK
- Vars
- S(e);XB(H)::S(E)
- Refutation
- R(g);XB(H)
- Try
- R(G);
- Threat
- S(E)
- Vars
- S(e);SBLOCK,XR(G)::S(E)
- R(g);S_CUTB(j)::R1(C)
- Refutation
- K(b);P_SPINR(g),S_FLIGHT,XR(G)
- Try
- Q(I);XS(e)
- Threat
- S(E)
- Vars
- S(c);N_GUARD,XQ(I)::R1(C)
- Refutation
- B(j);
- Try
- Q(I);XP(d)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::QAB1(I)
- Refutation
- S(e);XQ(I)
- Try
- Q(I);CHECK
- Vars
- R(g);XQ(I)::S(E)
- Refutation
- S(e);XQ(I)
- Try
- Actual
- Q(I);
- Threat
- QAB(I)
- Vars
- R(g);XQ(I)::S(E)
- S(e);XB(H)::S(E)
- R(g);S_CUTB(j)::R1(C)
- R(g);::S(E)
- S(c);N_GUARD::R1(C)
- S(c);N_GUARD::R1(C),XS(c)
- S(c);S_CUTB(j)::R1(C)
- S(e);SBLOCK::S(E)
- S(e);::S(E)
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).