MESON Chess Problem Database
Problem Display
PID: 204471 (8/5B1Q/1K1pp2q/1P1kp3/1R6/1PP1r3/4b1N1/6r1 w - - 0 1)
Klein, H
Zilahi, Zoltan
Ujsag, 1925
#2
8 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qg7
- 2.Sxe3#
- 1...Qf8
- 2.Sxe3#
- 1...Qh1
- 2.Sxe3#
- 1...Qh2
- 2.Sxe3#
- 1...Qh4
- 2.Sxe3#
- 1...Qh5
- 2.Sxe3#
- 1...Qf6
- 2.Sxe3#
- 1...Qg6
- 2.Sxe3#
- 1...Qxh7
- 2.Sxe3#
- 1...Rxc3
- 2.Qe4#
- 1...Rd3
- 2.Qe4#
- 1...Rf3
- 2.Qe4#
- 1...Rg3
- 2.Qe4#
- 1...Rh3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Bc4
- 2.bxc4#
- 1...Bxb5
- 2.Rxb5#
- 1...e4
- 2.Qf5#
- 1...Qg7
- Tries
- 1.Bh5?
- threat
- 2.Qb7#
- 1...Qxh7
- 2.Sxe3#
- 1...Rxc3
- 2.Qe4#
- 1...Bxb5
- 2.Rxb5#
- 1...Qg7
- 2.Sxe3#
- 1...e4!
- threat
- 1.Bxe6+?
- 1...Qxe6
- 2.Sxe3#
- 2.Qb7#
- 1...Kxe6!
- 1...Qxe6
- 1.Bg6?
- threat
- 2.Qb7#
- 1...Qxh7
- 2.Sxe3#
- 1...Rxc3
- 2.Be4#
- 1...Bxb5
- 2.Rxb5#
- 1...Qg7
- 2.Sxe3#
- 1...e4!
- threat
- 1.Be8?
- threat
- 2.Bc6#
- 2.Qb7#
- 1...Qxh7
- 2.Sxe3#
- 2.Bc6#
- 1...Rxc3
- 2.Qe4#
- 1...Bxb5
- 2.Rxb5#
- 1...Qg7
- 2.Sxe3#
- 2.Bc6#
- 1...e4!
- threat
- 1.Qf5?
- threat
- 2.Rd4#
- 1...Rxc3
- 2.Qe4#
- 1...Qf4
- 2.Sxf4#
- 2.Bxe6#
- 2.Qxe6#
- 1...Qh4
- 2.Sxe3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rd3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Bc4
- 2.bxc4#
- 1...Rd1!
- threat
- 1.Qxh6?
- threat
- 2.Sxe3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Rxg2
- 2.Bxe6#
- 2.Qxe6#
- 1...Rxc3
- 2.Bxe6#
- 2.Qxe6#
- 1...e4
- 2.Qg5#
- 2.Qxe6#
- 1...Rd3
- 2.Bxe6#
- 2.Qxe6#
- 1...Rf3
- 2.Bxe6#
- 2.Qxe6#
- 1...Rg3
- 2.Bxe6#
- 2.Qxe6#
- 1...Rh3
- 2.Bxe6#
- 2.Qxe6#
- 1...Re4
- 2.Bxe6#
- 2.Qxe6#
- 1...Bg4
- 2.Sxe3#
- 1...Bc4!
- threat
- 1.Bh5?
- Keys
- 1.Bg8!
- threat
- 2.Qb7#
- 1...Qxh7
- 2.Sxe3#
- 1...Rxc3
- 2.Qe4#
- 1...Bxb5
- 2.Rxb5#
- 1...e4
- 2.Qf5#
- 1...Qg7
- 2.Sxe3#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- Q(h);N_GUARD::S(A),XR(c)
- Q(h);N_GUARD,XQ(H)::S(A),XR(c)
- R(c);N_GUARD,XP(C)::QAB1(H)
- R(c);N_GUARD::QAB1(H)
- R(c);N_GUARD::QAB1(H),XR(c)
- B(b);OGATE::P(B),XB(b)
- B(b);OGATE,XP(E)::R(D),XB(b)
- P(e);OGATEB::QAR2(H)
- Tries
- Try
- B(G);N_PINP(g)
- Threat
- QAB(H)
- Vars
- Q(h);N_GUARD,XQ(H)::S(A),XR(c)
- R(c);N_GUARD,XP(C)::QAB1(H)
- B(b);OGATE,XP(E)::R(D),XB(b)
- Q(h);N_GUARD::S(A),XR(c)
- Refutation
- P(e);
- Try
- B(G);CHECK,XP(g)
- Refutation
- K(d);S_FLIGHT,XB(G)
- Try
- B(G);N_PINP(g)
- Threat
- QAB(H)
- Vars
- Q(h);N_GUARD,XQ(H)::S(A),XR(c)
- R(c);N_GUARD,XP(C)::B(G)
- B(b);OGATE,XP(E)::R(D),XB(b)
- Q(h);N_GUARD::S(A),XR(c)
- Refutation
- P(e);
- Try
- B(G);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,XP(C)::QAB1(H)
- B(b);OGATE,XP(E)::R(D),XB(b)
- Refutation
- P(e);
- Try
- Q(H);N_PINP(g),P_PINP(e)
- Threat
- R1(D)
- Vars
- R(c);N_GUARD,XP(C)::QAB1(H)
- R(c);N_GUARD::QAB1(H)
- R(c);N_GUARD::QAB1(H),XR(c)
- B(b);OGATE::P(B),XB(b)
- Refutation
- R(a);
- Try
- Q(H);XQ(h)
- Threat
- DUALS(3)
- Vars
- B(b);::S(A),XR(c)
- Refutation
- B(b);
- Try
- Actual
- B(G);
- Threat
- QAB(H)
- Vars
- Q(h);N_GUARD,XQ(H)::S(A),XR(c)
- R(c);N_GUARD,XP(C)::QAB1(H)
- B(b);OGATE,XP(E)::R(D),XB(b)
- P(e);OGATEB::QAR2(H)
- Q(h);N_GUARD::S(A),XR(c)
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).