MESON Chess Problem Database
Problem Display
PID: 190074 (r4k1K/7p/6p1/1P2R3/qp6/3QpBp1/2Pp2Pr/7b w - - 0 1)
Szekely, Jeno
Magyar Sakkujsag, 1913
#2
7 + 11
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...g5
- 2.Qf5#
- 1...g5
- Tries
- 1.Qxg6?
- threat
- 2.Qf5#
- 2.Qf6#
- 2.Qg7#
- 2.Qg8#
- 1...Qxc2
- 2.Qf6#
- 2.Qg7#
- 2.Qg8#
- 1...Qb3
- 2.Qg7#
- 1...Qa2
- 2.Qg7#
- 1...Qa6
- 2.Qg7#
- 2.Qg8#
- 1...Qa7
- 2.Qg8#
- 1...Rh5
- 2.Qf6#
- 2.Qg7#
- 2.Qg8#
- 1...Rh6
- 2.Qg7#
- 2.Qg8#
- 1...Ra6
- 2.Re8#
- 2.Qe8#
- 2.Qg7#
- 2.Qg8#
- 1...Ra7
- 2.Re8#
- 2.Qe8#
- 2.Qg8#
- 1...hxg6+!
- threat
- 1.Qd7?
- threat
- 2.Qe7#
- 2.Qg7#
- 1...Ra7
- 2.Re8#
- 2.Qe8#
- 1...Re8
- 2.Rxe8#
- 2.Qxe8#
- 2.Qg7#
- 1...Qa7!
- threat
- 1.Qd8+?
- 1...Kf7
- 2.Bd5#
- 1...Rxd8!
- 1...Kf7
- 1.Qxg6?
- Keys
- 1.Qf1!
- threat
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Bxa8#
- 1...Kf7+
- 2.Bxa8#
- 1...Qxc2
- 2.Be4#
- 1...Qxb5
- 2.Be2#
- 1...Rxg2
- 2.Bxg2#
- 1...Bxg2
- 2.Bxg2#
- 1...d1Q
- 2.Bxd1#
- 1...d1S
- 2.Bxd1#
- 1...d1B
- 2.Bxd1#
- 2.Be2#
- 1...d1R
- 2.Bxd1#
- 1...Qb3
- 2.Bd5#
- 1...Qa1
- 2.Bd1#
- 1...Qa2
- 2.Bd5#
- 1...Qa6
- 2.Bc6#
- 1...Qa7
- 2.Bb7#
- 1...Rh4
- 2.Bg4#
- 1...Rh5
- 2.Bxh5#
- 1...Ra5
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...Ra6
- 2.Bc6#
- 1...Ra7
- 2.Bb7#
- 1...Rb8
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...Rc8
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...Rd8
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...Re8
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bh5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...e2
- 2.Bxe2#
- 1...b3
- 2.Be4#
- 1...h5
- 2.Bd1#
- 2.Be2#
- 2.Be4#
- 2.Bg4#
- 2.Bd5#
- 2.Bxh5#
- 2.Bc6#
- 2.Bb7#
- 2.Bxa8#
- threat
- 1.Qf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 19
- REMOVED MATES = 1
- Sets
- P(h);N_GUARD::QAR(C)
- Tries
- Try
- Q(C);XP(h)
- Threat
- DUALS(4)
- Vars
- Q(f);::QAB1(C)
- Q(f);::QAR1(C)
- Refutation
- P(i);CHECK,XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Refutation
- Q(f);
- Try
- Q(C);CHECK
- Vars
- K(k);P-FLIGHT,P_PINQ(C)::B(D)
- Refutation
- R(j);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- DUALS(9)
- Vars
- K(k);CHECK,P-FLIGHT::QAR(C)+B(D),XR(j)
- Q(f);XP(A)::QAR(C)+B(D)
- Q(f);XP(E)::QAR(C)+B(D)
- R(c);OGATE,XP(B)::QAR(C)+B(D),XR(c)
- B(a);OGATE,XP(B)::QAR(C)+B(D),XB(a)
- P(b);::QAR(C)+B(D),XQ(b)
- P(b);::QAR(C)+B(D),XS(b)
- P(b);::QAR(C)+B(D),XR(b)
- Q(f);::QAR(C)+B(D)
- Q(f);P_PINR(F)::QAR(C)+B(D)
- R(c);::QAR(C)+B(D)
- R(c);::QAR(C)+B(D),XR(c)
- R(j);::QAR(C)+B(D)
- P(d);::QAR(C)+B(D),XP(d)
- P(g);::QAR(C)+B(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).