MESON Chess Problem Database
Problem Display
PID: 206558 (7K/3p2p1/3BpnQ1/7P/2N4p/1n3krR/2N1Rb2/5B2 w - - 0 1)
Szekeres, Karoly
Magyar Sakkvilag, 1925
#2
9 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxh3
- 2.Qg2#
- 1...Be1
- 2.Sxe1#
- 1...Bg1
- 2.Se1#
- 1...Be3
- 2.Se1#
- 1...Bd4
- 2.Se1#
- 1...Bc5
- 2.Se1#
- 1...Bb6
- 2.Se1#
- 1...Ba7
- 2.Se1#
- 1...Sa1
- 2.Sd2#
- 1...Sc1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sd4
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Sc5
- 2.Sd2#
- 1...Se4
- 2.Qxe4#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 1...Sxh5
- 2.Qe4#
- 2.Qxh5#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...e5
- 2.Qf5#
- 1...Rxh3
- Tries
- 1.Sd4+?
- 1...Sxd4
- 2.Sd2#
- 1...Bxd4!
- 1...Sxd4
- 1.Qg5?
- threat
- 2.Se5#
- 2.Qf4#
- 1...Sxh5
- 2.Se5#
- 2.Qxh5#
- 1...Bd4
- 2.Se1#
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sd5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 2.Qf5#
- 1...Be3!
- threat
- 1.Qxf6+?
- 1...Kg4
- 2.Rxh4#
- 1...gxf6!
- 1...Kg4
- 1.h6?
- 1...Rxh3
- 2.Qg2#
- 1...e5
- 2.Qf5#
- 1...Sa1
- 2.Sd2#
- 1...Be1
- 2.Sxe1#
- 1...Bg1
- 2.Se1#
- 1...Be3
- 2.Se1#
- 1...Bd4
- 2.Se1#
- 1...Bc5
- 2.Se1#
- 1...Bb6
- 2.Se1#
- 1...Ba7
- 2.Se1#
- 1...Sc1
- 2.Sd2#
- 1...Sd2
- 2.Sxd2#
- 1...Sd4
- 2.Sd2#
- 1...Sa5
- 2.Sd2#
- 1...Sc5
- 2.Sd2#
- 1...Se4
- 2.Qxe4#
- 2.Qh5#
- 1...Sg4
- 2.Qe4#
- 1...Sd5
- 2.Qe4#
- 2.Qh5#
- 1...Sh5
- 2.Qe4#
- 2.Qxh5#
- 1...Sh7
- 2.Qe4#
- 2.Qh5#
- 1...Se8
- 2.Qe4#
- 2.Qh5#
- 1...Sg8
- 2.Qe4#
- 2.Qh5#
- 1...gxh6!
- 1...Rxh3
- 1.Sd4+?
- Keys
- 1.S4e3!
- 1...Rxh3
- 2.Qg2#
- 1...Bxe3
- 2.Se1#
- 1...Sxh5
- 2.Qg4#
- 1...e5
- 2.Qf5#
- 1...Be1
- 2.Sxe1#
- 1...Bg1
- 2.Se1#
- 1...Sa1
- 2.Sd4#
- 1...Sc1
- 2.Sd4#
- 1...Sd2
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sa5
- 2.Sd4#
- 1...Sc5
- 2.Sd4#
- 1...Se4
- 2.Qg4#
- 1...Sg4
- 2.Qxg4#
- 1...Sd5
- 2.Qg4#
- 1...Sh7
- 2.Qg4#
- 1...Se8
- 2.Qg4#
- 1...Sg8
- 2.Qg4#
- 1...Rxh3
- 1.S4e3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 12
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(d);N_SPINR(d),OGATE,XR(D)::QAB1(H)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(g);N_GUARD::QAB1(H),XS(g)
- S(g);N_GUARD::QAB1(H)
- P(f);N_GUARD::QAR2(H)
- Tries
- Try
- S(B);CHECK
- Vars
- S(b);XS(B)::S(E)
- Refutation
- B(a);XS(B)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(g);::QAR1(H)
- S(g);::S(E)
- Refutation
- B(a);
- Try
- Q(H);CHECK,XS(g)
- Vars
- K(c);N_SPINR(d),S_FLIGHT::R1(D),XP(e)
- Refutation
- P(i);XQ(H)
- Try
- P(F);
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::QAB1(H)
- P(f);N_GUARD::QAR2(H)
- S(b);N_GUARD::S(E)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(b);N_GUARD::S(E),XS(b)
- S(g);N_GUARD::QAB1(H)
- Refutation
- P(i);XP(F)
- Try
- Actual
- S(E);
- Vars
- R(d);N_SPINR(d),OGATE,XR(D)::QAB1(H)
- B(a);N_GUARD,XS(E)::S(B)
- S(g);N_GUARD,XP(F)::QAB1(H)
- P(f);N_GUARD::QAR2(H)
- B(a);N_GUARD::S(B),XB(a)
- B(a);N_GUARD::S(B)
- S(b);N_GUARD::S(B)
- S(b);N_GUARD::S(B),XS(b)
- S(g);N_GUARD::QAB1(H)
- S(g);N_GUARD::QAB1(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).