MESON Chess Problem Database
Problem Display
PID: 102696 (2b5/3Q1p1K/2n4B/1R3r1B/N1N1knp1/5r2/3RP3/3q4 w - - 0 1)
Paros, Gyorgy
Bulletin Ouvrier des Echecs, 1938
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sc3#
- 1...Rf2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Re3
- 2.Sd6#
- 1...Rc5
- 2.Sxc5#
- 1...Rf6
- 2.Sc5#
- 1...Ba6
- 2.Qxf5#
- 1...Bb7
- 2.Qxf5#
- 1...Sxe2
- 2.Sd6#
- 1...Sg2
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sd6#
- 1...Sd5
- 2.Sc5#
- 1...Sxh5
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sg6
- 2.Sd6#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Se5
- 2.Sc5#
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...g3
- 2.Bxf3#
- 1...Rf1
- Tries
- 1.Bg6?
- threat
- 2.Sc5#
- 2.Bxf5#
- 1...Qxa4
- 2.Bxf5#
- 1...Bxd7
- 2.Sc5#
- 1...Sxe2
- 2.Sc5#
- 2.Sd6#
- 2.Qxc6#
- 2.Qd5#
- 1...Sxg6
- 2.Sd6#
- 1...Qg1
- 2.Bxf5#
- 1...Sg2
- 2.Sc5#
- 2.Sd6#
- 2.Qxc6#
- 2.Qd5#
- 1...Sd3
- 2.Sc3#
- 2.Qd5#
- 1...Sh3
- 2.Sc5#
- 2.Sd6#
- 2.Qxc6#
- 2.Qd5#
- 1...Sd5
- 2.Sc5#
- 2.Qxd5#
- 1...Sh5
- 2.Sc5#
- 2.Sd6#
- 2.Qxc6#
- 2.Qd5#
- 1...Se6
- 2.Sd6#
- 2.Qxc6#
- 2.Qd5#
- 1...Sd4
- 2.Sc5#
- 2.Re5#
- 2.Qxd4#
- 1...Se7
- 2.Sc5#
- 2.Re5#
- 2.Qd4#
- 1...fxg6!
- threat
- 1.Re5+?
- 1...Sxe5
- 2.Sc5#
- 2.Qd4#
- 1...Rxe5!
- 1...Sxe5
- 1.Qxc6+?
- 1...Sd5
- 2.Sc5#
- 1...Rd5!
- 1...Sd5
- 1.Qd5+?
- 1...Sxd5
- 2.Sc5#
- 1...Rxd5!
- 1...Sxd5
- 1.Bg6?
- Keys
- 1.Bxg4!
- threat
- 2.Bxf3#
- 2.Bxf5#
- 1...Qxe2
- 2.Bxf5#
- 1...Rxb5
- 2.Bxf3#
- 1...Bxd7
- 2.Bxf3#
- 1...Sxe2
- 2.Sd6#
- 1...Qb3
- 2.Bxf5#
- 1...Qf1
- 2.Bxf5#
- 1...Qh1
- 2.Bxf5#
- 1...Rf1
- 2.Sc3#
- 2.Bxf5#
- 1...Rf2
- 2.Sc3#
- 2.Bxf5#
- 1...Ra3
- 2.Bxf5#
- 1...Rb3
- 2.Bxf5#
- 1...Rc3
- 2.Sxc3#
- 2.Bxf5#
- 1...Rd3
- 2.Bxf5#
- 1...Re3
- 2.Sd6#
- 2.Bxf5#
- 1...Rg3
- 2.Bxf5#
- 1...Rh3
- 2.Bxf5#
- 1...Rc5
- 2.Sxc5#
- 2.Bxf3#
- 1...Rd5
- 2.Bxf3#
- 1...Re5
- 2.Bxf3#
- 1...Rg5
- 2.Bxf3#
- 1...Rh5
- 2.Bxf3#
- 1...Rf6
- 2.Sc5#
- 2.Bxf3#
- 1...Sg2
- 2.Sd6#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sd6#
- 1...Sd5
- 2.Sc5#
- 1...Sh5
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sg6
- 2.Sd6#
- 1...Sd4
- 2.Qxd4#
- 1...Se5
- 2.Sc5#
- 2.Bxf5#
- 2.Qd4#
- 1...Se7
- 2.Bxf3#
- 2.Qd4#
- threat
- 1.Bxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 15
- Sets
- R(b);N_GUARD::S(C)
- R(b);N_GUARD::S(C),XR(b)
- R(b);SBLOCK::S(D)
- R(f);N_GUARD::S(C),XR(f)
- R(f);N_GUARD::S(C)
- B(i);N_GUARD::QAB1(H),XR(f)
- S(d);XP(B)::S(D)
- S(d);::S(D)
- S(d);S_CUTR(b)::S(C)
- S(d);S_CUTR(f)::S(C)
- S(d);XB(F)::S(D)
- S(g);N_GUARD::QAR1(H)
- S(g);N_GUARD::QAR1(H),XS(g)
- P(e);OGATE::B(F),XR(b)
- Tries
- Try
- B(F);P_PINR(f)
- Threat
- DUALS(2)
- Vars
- Q(a);XS(C)::B(F),XR(f)
- B(i);XQ(H)::S(C)
- S(d);N_SPINR(f),XB(F)::S(D)
- Q(a);::B(F),XR(f)
- Refutation
- P(h);N_SPINR(f),XB(F)
- Try
- R(E);CHECK
- Refutation
- R(f);XR(E)
- Try
- Q(H);CHECK,XS(g)
- Vars
- S(d);P_SPINS(d)::S(C)
- Refutation
- R(f);P_SPINR(f)
- Try
- Q(H);CHECK
- Vars
- S(d);XQ(H)::S(C)
- Refutation
- R(f);XQ(H)
- Try
- Actual
- B(F);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::B(F),XR(f)
- R(f);XR(E)::B(F),XR(b)
- B(i);XQ(H)::B(F),XR(b)
- S(d);XP(B)::S(D)
- Q(a);::B(F),XR(f)
- Q(a);P_PINB(G)::B(F),XR(f)
- R(b);::B(F),XR(f)
- R(b);P_PINB(G)::B(F),XR(f)
- R(f);::B(F),XR(b)
- R(f);P_PINB(G)::B(F),XR(b)
- S(d);::S(D)
- S(d);S_CUTR(b)::S(C)
- S(d);S_CUTR(f)::S(C)
- S(g);N_GUARD::QAR1(H),XS(g)
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).