MESON Chess Problem Database
Problem Display
PID: 242107 (1n2K3/2p1PR2/2p4B/1N2kN1R/4P3/1r3p2/B1r1P3/1Q6 w - - 0 1)
Zilahi, Zoltan
Magyar Sakkvilag, 1934
#2
11 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Sg3#
- 1...Ke6
- 2.Sfd4#
- 2.Sg7#
- 1...Rc1
- 2.Sfd4#
- 2.Sg7#
- 1...Rxa2
- 2.Sfd4#
- 2.Sg7#
- 1...Rcb2
- 2.Sfd4#
- 2.Sg7#
- 1...Rd2
- 2.Sfd4#
- 2.Sg7#
- 1...Rxe2
- 2.Sfd4#
- 2.Sg7#
- 1...Rcc3
- 2.Sfd4#
- 2.Sg7#
- 1...Rc4
- 2.Sfd4#
- 2.Sg7#
- 1...Rc5
- 2.Sfd4#
- 2.Sg7#
- 1...Rxb1
- 2.Sg3#
- 2.Sfd6#
- 1...Rbb2
- 2.Sg3#
- 2.Sfd6#
- 1...Ra3
- 2.Sg3#
- 2.Sfd6#
- 1...Rbc3
- 2.Sg3#
- 2.Sfd6#
- 1...Rd3
- 2.Sg3#
- 2.Sfd6#
- 1...Re3
- 2.Sg3#
- 2.Sfd6#
- 1...Rb4
- 2.Sg3#
- 2.Sfd6#
- 1...Kxe4
- Tries
- 1.Kf8?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Kxe4
- 2.Sg3#
- 1...Ke6
- 2.e8Q#
- 2.e8R#
- 1...Rxa2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rxe2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rxb1
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rxb5
- 2.e8Q#
- 2.e8R#
- 1...fxe2
- 2.e8Q#
- 2.e8R#
- 1...cxb5
- 2.e8Q#
- 2.e8R#
- 1...Rc1
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rcb2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rd2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rcc3
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rc4
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rc5
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rbb2
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rbc3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rd3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rb4
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Sa6
- 2.e8Q#
- 2.e8R#
- 1...f2
- 2.e8Q#
- 2.e8R#
- 1...c5
- 2.e8Q#
- 2.e8R#
- 1...Sd7+!
- threat
- 1.Bxb3?
- threat
- 2.Sg3#
- 2.Sfd6#
- 1...Kxe4
- 2.Sg3#
- 1...Rc4
- 2.Sfd4#
- 2.Sg7#
- 1...cxb5!
- threat
- 1.Bf4+?
- 1...Kxe4
- 2.Sg3#
- 1...Ke6
- 2.Sbd4#
- 2.Sxc7#
- 2.Sfd4#
- 2.Sg7#
- 2.Rh6#
- 1...Kxf4!
- 1...Kxe4
- 1.Qxb3?
- threat
- 2.Sg3#
- 2.Sfd6#
- 2.Qe6#
- 1...Kxe4
- 2.Sg3#
- 2.Qe6#
- 2.Qe3#
- 1...Rxa2
- 2.Sg3#
- 2.Sfd6#
- 1...cxb5
- 2.Qd5#
- 2.Qe6#
- 1...Rc4!
- threat
- 1.Kf8?
- Keys
- 1.Kd8!
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rd2+
- 2.Sfd4#
- 1...Rd3+
- 2.Sfd6#
- 1...Kxe4
- 2.Sg3#
- 1...Ke6
- 2.e8Q#
- 1...Rxa2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rxe2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rxb1
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rxb5
- 2.e8Q#
- 2.e8R#
- 1...fxe2
- 2.e8Q#
- 2.e8R#
- 1...cxb5
- 2.e8Q#
- 2.e8R#
- 1...Rc1
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rcb2
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rcc3
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rc4
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rc5
- 2.Sfd4#
- 2.Sg7#
- 2.e8Q#
- 2.e8R#
- 1...Rbb2
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rbc3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Rb4
- 2.Sg3#
- 2.Sfd6#
- 2.e8Q#
- 2.e8R#
- 1...Sa6
- 2.e8Q#
- 2.e8R#
- 1...Sd7
- 2.e8Q#
- 2.e8R#
- 1...f2
- 2.e8Q#
- 2.e8R#
- 1...c5
- 2.e8Q#
- 2.e8R#
- threat
- 1.Kd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- K(d);P-FLIGHT,P_SPINR(a),XP(D)::S(F)
- Tries
- Try
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- K(d);P-FLIGHT,P_SPINR(a),XP(D)::S(F)
- K(d);P-FLIGHT,P_SPINR(b)::P=Q
- R(b);XS(E)::P=Q
- P(c);XP(C)::P=Q
- P(e);XS(E)::P=Q
- S(g);::P=Q
- P(c);::P=Q
- P(e);::P=Q
- Refutation
- S(g);CHECK
- Try
- B(B);XR(b)
- Threat
- DUALS(2)
- Vars
- K(d);P-FLIGHT,P_SPINR(a),XP(D)::S(F)
- Refutation
- P(e);XS(E)
- Try
- B(H);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINR(a),XP(D)::S(F)
- Refutation
- K(d);S_FLIGHT,XB(H)
- Try
- Q(A);XR(b)
- Threat
- DUALS(3)
- Refutation
- R(a);
- Try
- Actual
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- R(a);CHECK::R(G)+S(F)
- R(b);CHECK::R(G)+S(F)
- K(d);P-FLIGHT,P_SPINR(a),XP(D)::S(F)
- K(d);P-FLIGHT,P_SPINR(b)::P=Q
- R(b);XS(E)::P=Q
- P(c);XP(C)::P=Q
- P(e);XS(E)::P=Q
- S(g);::P=Q
- P(c);::P=Q
- P(e);::P=Q
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).