MESON Chess Problem Database
Problem Display
PID: 240392 (6N1/3PKNp1/2pR1p2/2P5/p2Pkp2/Prp1P2Q/B1P5/8 w - - 0 1)
Zilahi, Zoltan
Tijdschrift vd KNSB, 1949
#2
12 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rxa3
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...f5
- 2.Sg5#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb1
- Tries
- 1.Kd8?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...f5
- 2.Sg5#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb8+!
- 1...Rxa3
- 1.Ke8?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...f5
- 2.Sg5#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb8+!
- 1...Rxa3
- 1.Kf8?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...f5
- 2.Sg5#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb8+!
- 1...Rxa3
- 1.Sfh6?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 2.Qf5#
- 1...gxh6
- 2.Sxf6#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxa3
- 1.Sd8?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxa3
- 1.Sh8?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxa3
- 1.Bxb3?
- threat
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...axb3!
- threat
- 1.d5?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...cxd5
- 2.Re6#
- 1...f3
- 2.Qe6#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb7
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxa3
- 1.d8Q?
- threat
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...Rb7+!
- threat
- 1.d8S?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...f5
- 2.Sg5#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb7+!
- 1...Rxa3
- 1.d8B?
- 1...Rxa3
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...f3
- 2.Qe6#
- 1...f5
- 2.Sg5#
- 1...Rb1
- 2.Re6#
- 1...Rb2
- 2.Re6#
- 1...Rb4
- 2.Re6#
- 1...Rb5
- 2.Re6#
- 1...Rb6
- 2.Re6#
- 1...Rb8
- 2.Re6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Rb7+!
- 1...Rxa3
- 1.d8R?
- threat
- 2.Re6#
- 1...fxe3
- 2.Qg4#
- 1...Rb7+!
- threat
- 1.Kd8?
- Keys
- 1.Rd5!
- 1...Kxd5
- 2.Qe6#
- 1...Rxa3
- 2.Sd6#
- 1...fxe3
- 2.Qf5#
- 1...cxd5
- 2.Sd6#
- 1...f3
- 2.Qe6#
- 1...f5
- 2.Re5#
- 1...Rb1
- 2.Sd6#
- 1...Rb2
- 2.Sd6#
- 1...Rb4
- 2.Sd6#
- 1...Rb5
- 2.Sd6#
- 1...Rb6
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rb8
- 2.Sd6#
- 1...g5
- 2.Sxf6#
- 1...g6
- 2.Sxf6#
- 1...Kxd5
- 1.Rd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);::R(H)
- R(a);XP(C)::R(H)
- R(a);P_PINP(I)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- P(g);N_GUARD::S(K)
- P(h);N_GUARD::S(L),XP(g)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- P(g);N_GUARD::S(K)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- R(a);CHECK
- Try
- K(J);P-FLIGHT
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- P(g);N_GUARD::S(K)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- R(a);CHECK
- Try
- K(J);S_FLIGHT
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- P(g);N_GUARD::S(K)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- R(a);CHECK
- Try
- S(K);
- Vars
- R(a);XP(C)::R(H)
- P(h);N_GUARD,XS(K)::S(L),XP(g)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- R(a);P_PINP(I)::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- P(g);
- Try
- S(K);
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- R(a);P_PINP(I)::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- P(g);
- Try
- S(K);
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- R(a);P_PINP(I)::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- P(g);
- Try
- B(A);XR(a)
- Threat
- R(H)
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- Refutation
- P(c);XB(A)
- Try
- P(F);
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(f);SBLOCK,XP(F)::R(H)
- P(e);SBLOCK::QAR2(E)
- R(a);::R(H)
- R(a);P_PINP(I)::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- P(g);
- Try
- P(I);
- Threat
- R(H)
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- Refutation
- R(a);CHECK
- Try
- P(I);
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- P(g);N_GUARD::S(K)
- R(a);::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- R(a);CHECK
- Try
- P(I);
- Vars
- R(a);XP(C)::R(H)
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- P(e);SBLOCK::QAR2(E)
- P(g);N_GUARD::S(K)
- R(a);::R(H)
- P(h);N_GUARD::S(L),XP(g)
- Refutation
- R(a);CHECK
- Try
- P(I);
- Threat
- R(H)
- Vars
- P(e);OGATEB,SBLOCK,XP(D)::QAR2(E)
- Refutation
- R(a);CHECK
- Try
- Actual
- R(H);
- Vars
- K(d);P_SPINR(a),S_FLIGHT,XR(H)::QAB1(E)
- R(a);XP(C)::S(K)
- P(e);SBLOCK,XP(D)::QAB1(E)
- P(f);SBLOCK,XR(H)::S(K)
- P(e);SBLOCK::QAR2(E)
- P(g);N_GUARD::R1(H)
- R(a);::S(K)
- R(a);P_PINP(I)::S(K)
- P(h);N_GUARD::S(L),XP(g)
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).