MESON Chess Problem Database
Problem Display
PID: 171995 (8/2p2KB1/r1p3p1/Rb2R3/3k1P2/1Pp1N3/2PrqN2/4Q3 w - - 0 1)
Apro, Laszlo
HM., Magyar Sakkelet, 1969-01
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qf1
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qd3
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qf3
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qc4+
- 2.Rd5#
- 1...Qg4
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qh5
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Qxe3
- 2.Qxe3#
- 1...Bd3
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Ba4
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bc4+
- 2.Re6#
- 1...c5
- 2.Re4#
- 2.Re6#
- 1...g5
- 2.Sf5#
- 1...Qd1
- Tries
- 1.Raxb5?
- threat
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qc4+
- 2.Red5#
- 2.Re6#
- 1...Qxb5
- 2.Rxb5#
- 2.Rd5#
- 1...Qxf2
- 2.Rb4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qxe3
- 2.Rb4#
- 2.Rxe3#
- 2.Re4#
- 2.Red5#
- 2.Qxe3#
- 1...Qh5
- 2.Rb4#
- 2.Re4#
- 2.Red5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...c5
- 2.Re4#
- 2.Re6#
- 1...cxb5!
- threat
- 1.Qxe2?
- threat
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Bc4+
- 2.Red5#
- 2.Re6#
- 2.Qxc4#
- 1...Bxe2
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bd3
- 2.Re4#
- 2.Reb5#
- 2.Rec5#
- 2.Red5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Ba4
- 2.Re4#
- 2.Reb5#
- 2.Rec5#
- 2.Red5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qc4#
- 1...c5
- 2.Re4#
- 2.Rd5#
- 2.Re6#
- 1...g5
- 2.Sf5#
- 2.Rexb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rxg5#
- 1...Rxe2!
- threat
- 1.b4?
- threat
- 2.Re4#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qc4+
- 2.Rd5#
- 2.Re6#
- 1...Bc4+
- 2.Re6#
- 1...Qxf2
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qh5
- 2.Re4#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...c5
- 2.Re4#
- 2.Re6#
- 1...Qxe3!
- threat
- 1.Raxb5?
- Keys
- 1.Kxg6!
- threat
- 2.Sf5#
- 1...Qd3+
- 2.Rf5#
- 1...Qg4+
- 2.Rg5#
- 1...Qh5+
- 2.Rxh5#
- 1...Bd3+
- 2.Re4#
- 1...c5+
- 2.Re6#
- 1...Qxe3
- 2.Qxe3#
- threat
- 1.Kxg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- Q(b);CHECK::B(J)+R(H),DCHECK
- Q(b);OGATE,XS(E)::QAB1(A),XQ(b)
- B(e);CHECK::B(J)+R(H)
- P(h);N_GUARD::S(E)
- Tries
- Try
- R(G);XB(e)
- Threat
- DUALS(4)
- Refutation
- P(g);XR(G)
- Try
- Q(A);XQ(b)
- Threat
- DUALS(5)
- Refutation
- R(a);XQ(A)
- Try
- P(D);
- Threat
- DUALS(4)
- Vars
- B(e);CHECK::B(J)+R(H)
- Refutation
- Q(b);XS(E)
- Try
- Actual
- K(I);S_FLIGHT,XP(h)
- Threat
- S(E)
- Vars
- Q(b);CHECK::B(J)+R(H)
- Q(b);CHECK::B(J)+R(H),XQ(b)
- B(e);CHECK::B(J)+R(H),DCHECK
- P(g);CHECK,SBLOCK::B(J)+R(H)
- Q(b);OGATE,XS(E)::QAB1(A),XQ(b)
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).