MESON Chess Problem Database
Problem Display
PID: 99587 (B7/2K5/2n5/3P3R/1Pnk4/R2N1bN1/2Q2P2/b2r4 w - - 0 1)
Ersek, Tibor
Budapesti Sakkszovetseg, 1965
#2
10 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Rxd3#
- 2.Qxd3#
- 1...Bc3
- 2.Qxc3#
- 1...Be4
- 2.Se2#
- 1...Sb2
- 2.Qc3#
- 2.Qc5#
- 1...Sd2
- 2.Qc5#
- 1...Se3
- 2.Qc5#
- 1...S4a5
- 2.Qc5#
- 1...S4e5
- 2.Qc5#
- 1...Sb6
- 2.Qc5#
- 1...Sd6
- 2.Qc5#
- 1...Rxd3
- Tries
- 1.Sc1?
- threat
- 2.Sb3#
- 1...Rxc1
- 2.Rd3#
- 2.Qd3#
- 1...Bxh5
- 2.Qe4#
- 1...S4e5
- 2.Qc5#
- 1...Rd3
- 2.Rxd3#
- 2.Qxd3#
- 1...Sd2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...S4a5
- 2.Qc5#
- 1...S6a5!
- threat
- 1.Se1?
- threat
- 2.Sxf3#
- 1...Rxe1
- 2.Rd3#
- 2.Qd3#
- 1...Bxd5
- 2.Se2#
- 1...Bxh5
- 2.Qe4#
- 1...S4e5
- 2.Qc5#
- 1...Rd3
- 2.Rxd3#
- 2.Qxd3#
- 1...Bh1
- 2.Se2#
- 1...Be2
- 2.Sxe2#
- 2.Qe4#
- 1...Bg2
- 2.Se2#
- 1...Be4
- 2.Se2#
- 2.Qxe4#
- 1...Bg4
- 2.Qe4#
- 1...Sd2
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...S6e5
- 2.Sf5#
- 1...Sxb4!
- threat
- 1.Sb2?
- threat
- 2.Qc3#
- 2.Qxc4#
- 1...Bxd5
- 2.Se2#
- 2.Qc3#
- 1...Bxh5
- 2.Qe4#
- 1...Sxb2
- 2.Qc3#
- 2.Qc5#
- 1...Sxa3
- 2.Qc5#
- 1...Sxb4
- 2.Qxc4#
- 1...S4e5
- 2.Qc5#
- 1...Rc1
- 2.Rd3#
- 2.Qd3#
- 1...Rd3
- 2.Rxd3#
- 2.Qxd3#
- 2.Qxc4#
- 1...Be2
- 2.Sxe2#
- 2.Qe4#
- 2.Qc3#
- 1...Sd2
- 2.Rd3#
- 2.Qd3#
- 2.Qc3#
- 2.Qc5#
- 1...Se3
- 2.Qc3#
- 2.Qc5#
- 2.fxe3#
- 1...S4a5
- 2.Qc3#
- 2.Qc5#
- 1...Sb6
- 2.Qc3#
- 2.Qc5#
- 1...Sd6
- 2.Qc3#
- 2.Qc5#
- 1...S6a5
- 2.Qc3#
- 1...S6e5
- 2.Sf5#
- 2.Qc3#
- 1...Bxb2!
- threat
- 1.Sf4?
- threat
- 2.Se6#
- 1...Bxd5
- 2.Sge2#
- 2.Sfe2#
- 2.Rxd5#
- 1...Bxh5
- 2.Qe4#
- 1...Re1
- 2.Rd3#
- 2.Qd3#
- 1...Bg4
- 2.Qe4#
- 1...S4e5
- 2.Sf5#
- 2.Qc5#
- 1...Sd8!
- threat
- 1.Sc5?
- threat
- 2.Sb3#
- 2.Se6#
- 1...Bxd5
- 2.Se2#
- 2.Sb3#
- 1...Bxh5
- 2.Qe4#
- 1...Rb1
- 2.Se6#
- 2.Rd3#
- 2.Qd3#
- 1...Re1
- 2.Sb3#
- 2.Rd3#
- 2.Qd3#
- 1...Rd3
- 2.Se6#
- 2.Rxd3#
- 2.Qxd3#
- 1...Bg4
- 2.Sb3#
- 2.Qe4#
- 1...Sd2
- 2.Se6#
- 2.Rd3#
- 2.Qd3#
- 1...S4a5
- 2.Se6#
- 1...S6a5
- 2.Se6#
- 1...Sd8
- 2.Sb3#
- 1...S4e5!
- threat
- 1.Se2+?
- 1...Ke4
- 2.Sc5#
- 1...Bxe2!
- 1...Ke4
- 1.Sc1?
- Keys
- 1.Se5!
- threat
- 2.Sxf3#
- 2.Sxc6#
- 2.Qxc4#
- 1...Kxd5
- 2.Qxc4#
- 1...Bxd5
- 2.Se2#
- 1...Bxh5
- 2.Qe4#
- 1...Sxa3
- 2.Sxf3#
- 2.Sxc6#
- 2.Qc5#
- 1...S4xe5
- 2.Qc5#
- 1...Sxb4
- 2.Qxc4#
- 1...S6xe5
- 2.Sf5#
- 1...Rc1
- 2.Sxf3#
- 2.Sxc6#
- 2.Rd3#
- 2.Qd3#
- 1...Rd3
- 2.Sxc6#
- 2.Rxd3#
- 2.Qxd3#
- 2.Qxc4#
- 1...Bc3
- 2.Sxf3#
- 2.Sxc6#
- 1...Bh1
- 2.Sxc6#
- 2.Qxc4#
- 1...Be2
- 2.Sxc6#
- 2.Qe4#
- 1...Bg2
- 2.Sxc6#
- 2.Qxc4#
- 1...Be4
- 2.Sxc6#
- 2.Qxe4#
- 2.Qxc4#
- 1...Bg4
- 2.Sxc6#
- 2.Qe4#
- 2.Qxc4#
- 1...Sb2
- 2.Sxf3#
- 2.Sxc6#
- 2.Qc5#
- 1...Sd2
- 2.Sxc6#
- 2.Rd3#
- 2.Qd3#
- 2.Qc5#
- 1...Se3
- 2.Sxf3#
- 2.Sxc6#
- 2.Qc5#
- 1...S4a5
- 2.Sxf3#
- 2.Qc5#
- 1...Sb6
- 2.Sxf3#
- 2.Sxc6#
- 2.Qc5#
- 1...Sd6
- 2.Sxf3#
- 2.Sxc6#
- 2.Qc5#
- 1...S6a5
- 2.Sxf3#
- 1...Sa7
- 2.Sxf3#
- 2.Qxc4#
- 1...Se7
- 2.Sxf3#
- 2.Qxc4#
- 1...Sb8
- 2.Sxf3#
- 2.Qxc4#
- 1...Sd8
- 2.Sxf3#
- 2.Qxc4#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- B(a);N_GUARD::QAB1(A),XB(a)
- B(c);N_GUARD,SBLOCK::S(E)
- S(d);OGATE::QAB1(A)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(c);N_GUARD,XR(H)::QAR1(A)
- S(d);OGATE::QAB1(A)
- Refutation
- S(f);
- Try
- S(D);
- Threat
- S(D),XB(c)
- Vars
- B(c);N_GUARD,XP(G)::S(E)
- B(c);N_GUARD,XR(H)::QAR1(A)
- S(d);OGATE::QAB1(A)
- B(c);N_GUARD::S(E)
- B(c);N_GUARD::QAR1(A)
- S(f);SBLOCK::S(E)
- Refutation
- S(f);XP(F)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XR(H)::QAR1(A)
- S(d);OGATE,XR(C)::QAB1(A)
- S(f);XP(F)::QAR1(A),XS(d)
- S(d);OGATE::QAB1(A)
- S(f);::QAB1(A)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- S(D)
- Vars
- B(c);N_GUARD,XR(H)::QAR1(A)
- B(c);N_GUARD::QAR1(A)
- Refutation
- S(f);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(c);N_GUARD,XR(H)::QAR1(A)
- S(d);::S(D)
- S(f);::S(D)
- Refutation
- S(d);
- Try
- S(E);CHECK
- Vars
- K(e);P-FLIGHT::QAB(A)+S(D),DCHECK
- Refutation
- B(c);XS(E)
- Try
- Actual
- S(D);
- Threat
- DUALS(3)
- Vars
- K(e);P-FLIGHT,P_SPINS(f),XP(G)::QAB1(A),XS(d)
- B(c);N_GUARD,SBLOCK,XP(G)::S(E)
- B(c);N_GUARD,XR(H)::QAR1(A)
- S(d);OGATE,XS(D)::QAB1(A)
- S(f);XP(F)::QAR1(A),XS(d)
- S(f);SBLOCK,XS(D)::S(E)
- S(f);::S(D),XB(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).