MESON Chess Problem Database
Problem Display
PID: 239701 (q7/2RB3R/1P1k2r1/r2P1p2/5b2/3Q1N2/b1PN2p1/3K2B1 w - - 0 1)
Szoghy, Jozsef
Schach, 1955
#2
11 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Rc6#
- 1...Qc6
- 2.Rxc6#
- 1...Qa6
- 2.Rc6#
- 1...Qa7
- 2.Rc6#
- 1...Qb8
- 2.Rc6#
- 1...Qd8
- 2.Rc6#
- 1...Qe8
- 2.Rc6#
- 1...Qf8
- 2.Rc6#
- 1...Qg8
- 2.Rc6#
- 1...Qh8
- 2.Rc6#
- 1...Ra3
- 2.Bc5#
- 1...Ra4
- 2.Bc5#
- 1...Rc5
- 2.Bxc5#
- 1...Rxd5
- 2.Bc5#
- 1...Ra6
- 2.Bc5#
- 1...Ra7
- 2.Bc5#
- 1...Bb1
- 2.Sc4#
- 1...Bc4
- 2.Sxc4#
- 1...Bxd5
- 2.Sc4#
- 1...Qxd5
- Tries
- 1.Bb5?
- threat
- 2.Bc5#
- 2.Rcd7#
- 2.Rhd7#
- 1...Qxd5
- 2.Rc6#
- 1...Rxb5
- 2.Rcd7#
- 2.Rhd7#
- 1...Qc6
- 2.Rxc6#
- 1...Qb7
- 2.Bc5#
- 2.Rhd7#
- 1...Qa7
- 2.Bc5#
- 2.Rc6#
- 2.Rhd7#
- 1...Qc8
- 2.Bc5#
- 1...Qd8
- 2.Bc5#
- 2.Rc6#
- 1...Qe8
- 2.Bc5#
- 1...Ra7
- 2.Bc5#
- 2.Rhd7#
- 1...Rg7
- 2.Bc5#
- 1...Be3
- 2.Rhd7#
- 1...Bxd5!
- threat
- 1.Bxf5?
- threat
- 2.Se4#
- 2.Rcd7#
- 2.Rhd7#
- 1...Qxd5
- 2.Se4#
- 2.Rhd7#
- 1...Rxd5
- 2.Se4#
- 2.Bc5#
- 2.Rhd7#
- 1...Bxd5
- 2.Sc4#
- 2.Se4#
- 2.Rhd7#
- 1...Bxd2
- 2.Rcd7#
- 2.Rhd7#
- 1...Qc6
- 2.Se4#
- 2.Rxc6#
- 1...Qb7
- 2.Se4#
- 2.Rhd7#
- 1...Qa7
- 2.Se4#
- 2.Rc6#
- 2.Rhd7#
- 1...Qc8
- 2.Se4#
- 1...Qd8
- 2.Se4#
- 2.Rc6#
- 1...Ra4
- 2.Bc5#
- 2.Rcd7#
- 2.Rhd7#
- 1...Ra7
- 2.Se4#
- 2.Bc5#
- 2.Rhd7#
- 1...Re6
- 2.Rcd7#
- 2.Rhd7#
- 1...Rg7
- 2.Se4#
- 1...Be3
- 2.Se4#
- 2.Rhd7#
- 1...Qe8!
- threat
- 1.Qa3+?
- 1...Kxd5
- 2.Qd3#
- 1...Rc5
- 2.Qxc5#
- 1...Rxa3!
- 1...Kxd5
- 1.Bb5?
- Keys
- 1.Qxf5!
- threat
- 2.Se4#
- 1...Qxd5
- 2.Qf8#
- 1...Rxd5
- 2.Qxg6#
- 1...Bxd5
- 2.Qxf4#
- 1...Bxd2
- 2.Qe5#
- 1...Rg7
- 2.Qe6#
- 1...Be5
- 2.Qxe5#
- 1...Qe8
- 2.Rc6#
- 1...Ra4
- 2.Bc5#
- 1...Re6
- 2.Qxe6#
- threat
- 1.Qxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 14
- Sets
- Q(h);N_GUARD,P_SPINQ(h),XP(G)::R1(I)
- Q(h);N_GUARD::R1(I),XQ(h)
- Q(h);N_GUARD::R1(I)
- R(d);N_GUARD::B(B)
- R(d);N_GUARD::B(B),XR(d)
- R(d);N_GUARD,P_SPINR(d),XP(G)::B(B)
- B(a);N_GUARD::S(D)
- B(a);N_GUARD::S(D),XB(a)
- B(a);N_GUARD,P_SPINB(a),XP(G)::S(D)
- Tries
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- Q(h);N_GUARD,P_SPINQ(h),XP(G)::R1(I)
- Q(h);N_GUARD::R1(I),XQ(h)
- Q(h);::B(B)
- R(g);::B(B)
- B(c);::R1(K)
- Refutation
- B(a);P_SPINB(a),XP(G)
- Try
- B(J);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(h);::S(D)
- R(g);::S(D)
- Refutation
- Q(h);
- Try
- Q(E);CHECK
- Vars
- K(f);OGATEB,P-FLIGHT,XP(G)::QAR2(E)
- R(d);N_GUARD,P_SPINR(d)::QAB1(E),XR(d)
- Refutation
- R(d);XQ(E)
- Try
- Actual
- Q(E);XP(e)
- Threat
- S(D)
- Vars
- Q(h);N_GUARD,P_PINS(D),SBLOCK,XP(G)::QAB(E)
- R(d);P_PINS(D),SBLOCK,XP(G)::QAR(E),XR(g)
- B(a);SBLOCK,XP(G)::QAB(E),XB(c)
- B(c);N_GUARD,XS(D)::QAB1(E)
- R(g);N_GUARD::QAR1(E)
- B(c);N_GUARD::QAB1(E),XB(c)
- Q(h);N_GUARD::R1(I)
- R(d);N_GUARD::B(B)
- R(g);N_GUARD::QAR1(E),XR(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).