MESON Chess Problem Database
Problem Display
PID: 189778 (2Q1KN1k/R7/6PN/2p3nb/7b/6p1/6P1/8 w - - 0 1)
Palkoska, Emil
HM., Budapesti Sakkor, 1912
#2
7 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.g7#
- 1...Be2
- 2.g7#
- 1...Bf3
- 2.g7#
- 1...Bg4
- 2.g7#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Bd1
- Tries
- 1.Rf7?
- threat
- 2.g7#
- 1...Bxg6
- 2.Sxg6#
- 1...Se6
- 2.Rh7#
- 1...Sxf7!
- threat
- 1.Qf5?
- threat
- 2.Qe5#
- 2.Qf6#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Qa6?
- threat
- 2.Qa1#
- 2.Qf6#
- 1...Bxg6+
- 2.Sxg6#
- 1...c4
- 2.Qf6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Qe6?
- threat
- 2.Qg8#
- 2.Qe5#
- 2.Qf6#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sxe6
- 2.Rh7#
- 1...Sf3
- 2.Rh7#
- 2.Qg8#
- 1...Sh3
- 2.Rh7#
- 2.Qg8#
- 1...Se4
- 2.Rh7#
- 2.Qg8#
- 1...Sh7
- 2.Rxh7#
- 2.Qg8#
- 1...Sf7!
- threat
- 1.Qb7?
- threat
- 2.Qb2#
- 2.Qg7#
- 1...Bxg6+
- 2.Sxg6#
- 1...c4
- 2.Qg7#
- 1...Sf3
- 2.Qg7#
- 2.Qh7#
- 1...Sh3
- 2.Qg7#
- 2.Qh7#
- 1...Se4
- 2.Qg7#
- 2.Qh7#
- 1...Se6
- 2.Qh7#
- 1...Sh7
- 2.Qg7#
- 2.Qxh7#
- 1...Sf7!
- threat
- 1.Qd7?
- threat
- 2.Qg7#
- 1...Bxg6+
- 2.Sxg6#
- 1...Se6
- 2.Qh7#
- 1...Sf7!
- threat
- 1.Qxc5?
- threat
- 2.Qd4#
- 2.Qc3#
- 2.Qe5#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Qc6?
- threat
- 2.Qf6#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Qc7?
- threat
- 2.Qe5#
- 2.Qg7#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Qg7#
- 2.Qh7#
- 1...Sh3
- 2.Qg7#
- 2.Qh7#
- 1...Se4
- 2.Qg7#
- 2.Qh7#
- 1...Se6
- 2.Qh7#
- 1...Sh7
- 2.Qg7#
- 2.Qxh7#
- 1...Sf7!
- threat
- 1.Qb8?
- threat
- 2.Qe5#
- 2.Qb2#
- 1...Bxg6+
- 2.Sxg6#
- 1...c4
- 2.Qe5#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Qd8?
- threat
- 2.Qf6#
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Sf7!
- threat
- 1.Rf7?
- Keys
- 1.Qg4!
- 1...Bxg6+
- 2.Sxg6#
- 1...Bxg4
- 2.g7#
- 1...Sf7
- 2.g7#
- 1...c4
- 2.Qd4#
- 1...Sf3
- 2.Rh7#
- 1...Sh3
- 2.Rh7#
- 1...Se4
- 2.Rh7#
- 1...Se6
- 2.Rh7#
- 1...Sh7
- 2.Rxh7#
- 1...Bxg6+
- 1.Qg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- B(e);N_PINP(B)::P(B)
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Tries
- Try
- R(D);N_SPINP(B)
- Threat
- P(B)
- Vars
- B(e);P_PINR(D),XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- Refutation
- S(d);XR(D)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- P(c);::QAB(E)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD,XQ(E)::R1(D)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- P(c);::QAB1(E)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);XP(c)
- Threat
- DUALS(3)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::QAR1(E)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- P(c);::QAB(E)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- S(d);N_PINP(B)
- Try
- Actual
- Q(E);
- Vars
- B(e);CHECK,XP(B)::S(G),XB(e)
- B(e);N_PINP(B),XQ(E)::P(B)
- S(d);N_PINP(B)::P(B)
- P(c);N_GUARD::QAB(E)
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
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).