MESON Chess Problem Database
Problem Display
PID: 189615 (7Q/1P2pK2/p1PpP3/N2k4/4NP2/4rP2/5B2/8 w - - 0 1)
Dunka, Gyorgy Jusztin
Magyar Sakkvilag, 1911
#2
10 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- Tries
- 1.Kxe7?
- 1...Rxf3
- 2.Sf6#
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Sf6#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Sf6#
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Sf6#
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Sf6#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Sf6#
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.Sc3+?
- 1...Rxc3
- 2.Qd4#
- 2.Qh5#
- 1...Kc5!
- 1...Rxc3
- 1.Bg1?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.Qc3?
- threat
- 2.Qc4#
- 1...Rxc3
- 2.Sxc3#
- 1...Rxe4!
- threat
- 1.Qg7?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qg5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qg5#
- 1...Ra3
- 2.Qd4#
- 2.Qg5#
- 1...Rb3
- 2.Qd4#
- 2.Qg5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qg5#
- 1...Rd3
- 2.Qg5#
- 1...Rxe4!
- 1...Rxf3
- 1.Qh7?
- 1...Rxf3
- 2.Qf5#
- 1...Rxe4
- 2.Qxe4#
- 2.fxe4#
- 1...Re1
- 2.Sc3#
- 2.Qf5#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qf5#
- 2.Qh5#
- 1...Ra3
- 2.Qf5#
- 2.Qh5#
- 1...Rb3
- 2.Qf5#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qf5#
- 2.Qh5#
- 1...Rd3
- 2.Qf5#
- 2.Qh5#
- 1...Kd4!
- 1...Rxf3
- 1.c7?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.b8Q?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qb3#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qb3#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qxb3#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.b8S?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.b8B?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.b8R?
- 1...Rxf3
- 2.Qd4#
- 1...Re1
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qd4#
- 2.Qh5#
- 1...Ra3
- 2.Qd4#
- 2.Qh5#
- 1...Rb3
- 2.Qd4#
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Rxe4!
- 1...Rxf3
- 1.Kxe7?
- Keys
- 1.Qh1!
- 1...Kd4
- 2.Qd1#
- 1...Rxf3
- 2.Sc3#
- 1...Rxe4
- 2.fxe4#
- 1...Re1
- 2.Sc3#
- 2.Qh5#
- 1...Re2
- 2.Sc3#
- 2.Qh5#
- 1...Ra3
- 2.Qh5#
- 1...Rb3
- 2.Qh5#
- 1...Rc3
- 2.Sxc3#
- 2.Qh5#
- 1...Rd3
- 2.Qh5#
- 1...Kd4
- 1.Qh1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(a);::QAR(J)
- R(a);P_PINP(D),XP(B)::QAR1(J)
- Tries
- Try
- K(I);P-FLIGHT,XP(e)
- Refutation
- R(a);P_PINP(G),XS(C)
- Try
- S(C);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINR(a)
- Try
- B(A);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- R(a);XQ(J)::S(C),XR(a)
- Refutation
- R(a);XS(C)
- Try
- Q(J);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- Q(J);
- Vars
- R(a);P_PINP(D),XP(B)::QAR2(J)
- Refutation
- K(b);P-FLIGHT,P_SPINR(a)
- Try
- P(F);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- P(H);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- P(H);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- P(H);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- P(H);
- Vars
- R(a);P_PINP(D),XP(B)::QAR1(J)
- R(a);::QAR(J)
- Refutation
- R(a);XS(C)
- Try
- Actual
- Q(J);
- Vars
- K(b);P-FLIGHT,P_SPINR(a)::QAR(J)
- R(a);N_GUARD,P_PINP(D),XP(B)::S(C)
- R(a);OGATE,XS(C)::P(B),XR(a)
- R(a);::QAR(J)
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).