MESON Chess Problem Database
Problem Display
PID: 107580 (q2rr1b1/pn5p/3P3Q/pRpBk3/5pP1/2K2P2/3R4/4N3 w - - 0 1)
Apro, Laszlo
Voros Meteor, 1953
#2
9 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qg5#
- 1...Bxd5
- 2.Sd3#
- 1...Sxd6
- 2.Qg7#
- 1...c4
- 2.Re2#
- 1...Rxd6
- Tries
- 1.Bc4?
- threat
- 2.Sd3#
- 2.Re2#
- 2.Qg5#
- 2.Qg7#
- 1...Rxd6
- 2.Re2#
- 2.Qg5#
- 1...Sxd6
- 2.Sd3#
- 2.Qg7#
- 1...Qc8
- 2.Sd3#
- 2.Re2#
- 2.Qg7#
- 1...Rd7
- 2.Sd3#
- 2.Re2#
- 2.Qg5#
- 1...Re6
- 2.Rd5#
- 2.Qg5#
- 1...Re7
- 2.Sd3#
- 2.Re2#
- 2.Qg5#
- 1...Rf8
- 2.Sd3#
- 2.Re2#
- 1...Bd5
- 2.Sd3#
- 2.Rxd5#
- 1...Be6
- 2.Qg7#
- 1...Bxc4!
- threat
- 1.Bc6?
- threat
- 2.Sd3#
- 2.Re2#
- 1...Rxd6
- 2.Re2#
- 1...Sxd6
- 2.Sd3#
- 1...Re6
- 2.Rd5#
- 2.Qg5#
- 1...Bd5
- 2.Sd3#
- 2.Rxd5#
- 1...Be6
- 2.Qg7#
- 1...Bc4!
- threat
- 1.Bf7?
- threat
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg5#
- 2.Qg7#
- 1...Rxd6
- 2.Re2#
- 2.Qg5#
- 1...Sxd6
- 2.Sd3#
- 2.Qg7#
- 1...Qc8
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg7#
- 1...Re6
- 2.Qg5#
- 2.Qxe6#
- 1...Bxf7!
- threat
- 1.Bxg8?
- threat
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg5#
- 2.Qg7#
- 1...Rxd6
- 2.Re2#
- 2.Qg5#
- 1...Sxd6
- 2.Sd3#
- 2.Qg7#
- 1...Qc8
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg7#
- 1...Rd7
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg5#
- 1...Re6
- 2.Qg5#
- 2.Qxe6#
- 1...Re7
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qg5#
- 1...Rf8
- 2.Sd3#
- 2.Re2#
- 2.Rd5#
- 2.Qe6#
- 1...Rxg8!
- threat
- 1.Rd4?
- threat
- 2.Sd3#
- 2.Qxf4#
- 1...Bxd5
- 2.Sd3#
- 1...Re6
- 2.Qxf4#
- 1...Be6
- 2.Qxf4#
- 1...Rf8
- 2.Sd3#
- 1...c4
- 2.Re4#
- 2.Qxf4#
- 1...cxd4+!
- threat
- 1.Bc4?
- Keys
- 1.Be6!
- threat
- 2.Rd5#
- 1...Rxd6
- 2.Re2#
- 1...Rxe6
- 2.Qg5#
- 1...Bxe6
- 2.Qg7#
- 1...Sxd6
- 2.Sd3#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(i);SBLOCK,XP(H)::QAR2(I)
- B(k);SBLOCK,XB(G)::S(A)
- S(f);SBLOCK,XP(H)::QAB(I)
- P(c);::R(B)
- Tries
- Try
- B(G);P_PINP(c)
- Threat
- DUALS(4)
- Vars
- B(k);::QAB(I)
- Refutation
- B(k);XB(G)
- Try
- B(G);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- R(i);XP(H)::R(B)
- S(f);XP(H)::S(A)
- B(k);SBLOCK::QAB(I)
- Refutation
- B(k);
- Try
- B(G);P_PINP(c)
- Threat
- DUALS(5)
- Refutation
- B(k);XB(G)
- Try
- B(G);P_PINP(c),XB(k)
- Threat
- DUALS(5)
- Refutation
- R(j);XB(G)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- B(k);XB(G)::S(A)
- R(j);::QAB1(I),XP(a)
- B(k);::QAB1(I),XP(a)
- R(j);::S(A)
- Refutation
- P(c);CHECK,XR(B)
- Try
- Actual
- B(G);P_PINP(c)
- Threat
- R1(B)
- Vars
- R(i);SBLOCK,XP(H)::R(B)
- R(j);SBLOCK,XB(G)::QAR2(I)
- B(k);SBLOCK,XB(G)::QAB(I)
- S(f);SBLOCK,XP(H)::S(A)
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).