MESON Chess Problem Database
Problem Display
PID: 83940 (4RK2/p4B1p/rp3PNr/bR2Pk1b/Qn2p3/2N1Bp2/5P2/8 w - - 0 1)
Toth, Gyula
Magyar Sakkelet, 1953
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bg4
- 2.Se7#
- 1...Bxg6
- 2.Be6#
- 1...Sa2
- 2.Qxe4#
- 1...Sc2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...hxg6
- 2.Be6#
- 1...Kg4
- Tries
- 1.Kg7?
- threat
- 2.Be6#
- 1...Kg4
- 2.Be6#
- 1...Rxg6+!
- threat
- 1.Kg8?
- 1...Kg4
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Bg4
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sc2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Rxg6+!
- 1...Kg4
- 1.Bc1?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...e3!
- 1...Kg4
- 1.Bd2?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...e3!
- 1...Kg4
- 1.Bxh6?
- 1...Kg4
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Sh4#
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...e3!
- 1...Kg4
- 1.Ba2?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...Sxa2
- 2.Qxe4#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Se7#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Kxg6!
- 1...Kg4
- 1.Bb3?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Kxg6!
- 1...Kg4
- 1.Bg8?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Se7#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Kxg6!
- 1...Kg4
- 1.Rd5?
- threat
- 2.Qd7#
- 1...Kg4
- 2.Be6#
- 2.Qd7#
- 1...Sc6
- 2.Qxe4#
- 1...b5!
- threat
- 1.Rxb6?
- threat
- 2.Qd7#
- 1...Kg4
- 2.Be6#
- 2.Qd7#
- 1...Sc6
- 2.Qxe4#
- 1...Rxb6!
- threat
- 1.Re7?
- 1...Kg4
- 2.Be6#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sd5
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Bg4!
- 1...Kg4
- 1.Qb3?
- threat
- 2.Qe6#
- 1...Kg4
- 2.Be6#
- 2.Qe6#
- 1...Sd5!
- threat
- 1.Qxb4?
- threat
- 2.Qxe4#
- 1...Kg4
- 2.Be6#
- 1...Bxb4+!
- threat
- 1.Kg7?
- Keys
- 1.Bd5!
- 1...Kg4
- 2.Be6#
- 1...Kxg6
- 2.Bxe4#
- 1...Rxg6
- 2.Be6#
- 1...Bxg6
- 2.Be6#
- 1...Sxd5
- 2.Qxe4#
- 1...hxg6
- 2.Be6#
- 1...Sc2
- 2.Qxe4#
- 1...Bg4
- 2.Bxe4#
- 1...Sa2
- 2.Qxe4#
- 1...Sd3
- 2.Qxe4#
- 1...Sc6
- 2.Qxe4#
- 1...Kg4
- 1.Bd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK::S(H)
- B(f);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- P(k);SBLOCK,XS(H)::B(I)
- Tries
- Try
- K(K);S_FLIGHT
- Threat
- B(I)
- Vars
- K(e);S_FLIGHT::B(I)
- Refutation
- R(i);CHECK,XS(H)
- Try
- K(K);P-FLIGHT
- Vars
- K(e);S_FLIGHT::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK::S(H)
- S(b);OGATE::QAB1(D),XP(c)
- Refutation
- R(i);CHECK,XS(H)
- Try
- B(C);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::S(H)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::S(H)
- Refutation
- P(c);
- Try
- B(C);XR(i)
- Vars
- K(e);S_FLIGHT::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- Refutation
- P(c);
- Try
- B(I);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- S(b);OGATE,XB(I)::QAB1(D),XP(c)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT,XS(H)
- Try
- B(I);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT,XS(H)
- Try
- B(I);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::S(H)
- Refutation
- K(e);S_FLIGHT,XS(H)
- Try
- R(E);
- Threat
- QAB(D)
- Vars
- S(b);OGATE::QAB1(D),XP(c)
- Refutation
- P(h);
- Try
- R(E);XP(h)
- Threat
- QAB(D)
- Vars
- S(b);OGATE::QAB1(D),XP(c)
- Refutation
- R(g);XR(E)
- Try
- R(J);
- Vars
- K(e);S_FLIGHT::B(I)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- Refutation
- B(f);
- Try
- Q(D);
- Threat
- QAB1(D)
- Refutation
- S(b);
- Try
- Q(D);XS(b)
- Threat
- QAB1(D),XP(c)
- Vars
- K(e);P_SPINP(c),S_FLIGHT::B(I)
- Refutation
- B(d);CHECK,XQ(D)
- Try
- Actual
- B(I);
- Vars
- K(e);S_FLIGHT::B(I)
- K(e);S_FLIGHT,XS(H)::B(I),XP(c)
- R(i);SBLOCK,XS(H)::B(I)
- B(f);SBLOCK,XS(H)::B(I)
- S(b);OGATE,XB(I)::QAB1(D),XP(c)
- P(k);SBLOCK,XS(H)::B(I)
- S(b);OGATE::QAB1(D),XP(c)
- B(f);SBLOCK::B(I),XP(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).