MESON Chess Problem Database
Problem Display
PID: 90288 (3N4/2p5/KpPn2p1/1Rb1PkP1/4rpNP/3Qp3/4B1PB/8 w - - 0 1)
Zilahi, Zoltan
4th Prize, Die Schwalbe, 1951
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Sh6#
- 1...Bb4
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Sc4
- 2.Qd7#
- 1...Sxb5
- 2.Qd7#
- 1...Sb7
- 2.Qd7#
- 1...Sf7
- 2.Qd7#
- 1...Sc8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...f3
- 2.Sh6#
- 1...Ba3
- Tries
- 1.Sxe3+?
- 1...Kxe5
- 2.Qd5#
- 1...fxe3
- 2.g4#
- 1...Bxe3!
- 1...Kxe5
- 1.Bd1?
- 1...Sxb5
- 2.Qd7#
- 1...f3
- 2.Sh6#
- 1...Ba3
- 2.Sh6#
- 1...Bb4
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Sc4
- 2.Qd7#
- 1...Sb7
- 2.Qd7#
- 1...Sf7
- 2.Qd7#
- 1...Sc8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...e2!
- 1...Sxb5
- 1.Bf3?
- 1...Sxb5
- 2.Qxe4#
- 2.Qd7#
- 1...Ba3
- 2.Sh6#
- 1...Bb4
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Sc4
- 2.Qxe4#
- 2.Qd7#
- 1...Sb7
- 2.Qxe4#
- 2.Qd7#
- 1...Sf7
- 2.Qxe4#
- 2.Qd7#
- 1...Sc8
- 2.Qxe4#
- 2.Qd7#
- 1...Se8
- 2.Qxe4#
- 2.Qd7#
- 1...e2!
- 1...Sxb5
- 1.Bg1?
- 1...Sxb5
- 2.Qd7#
- 1...Ba3
- 2.Sh6#
- 1...Bb4
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Sc4
- 2.Qd7#
- 1...Sb7
- 2.Qd7#
- 1...Sf7
- 2.Qd7#
- 1...Sc8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...f3!
- 1...Sxb5
- 1.Bg3?
- 1...Sxb5
- 2.Qd7#
- 1...f3
- 2.Sh6#
- 1...Ba3
- 2.Sh6#
- 1...Bb4
- 2.Sh6#
- 1...Bd4
- 2.Sh6#
- 1...Sc4
- 2.Qd7#
- 1...Sb7
- 2.Qd7#
- 1...Sf7
- 2.Qd7#
- 1...Sc8
- 2.Qd7#
- 1...Se8
- 2.Qd7#
- 1...fxg3!
- 1...Sxb5
- 1.Rxc5?
- threat
- 2.Sh6#
- 1...Sf7
- 2.Qd7#
- 1...bxc5!
- threat
- 1.Qd4?
- threat
- 2.Sh6#
- 1...Sf7
- 2.Qd7#
- 1...Rxd4!
- threat
- 1.Qd5?
- threat
- 2.Sh6#
- 2.Qe6#
- 1...Rxe5
- 2.Sh6#
- 2.Qxe5#
- 1...Rb4
- 2.Sh6#
- 2.exd6#
- 2.e6#
- 1...Rc4
- 2.Sh6#
- 2.exd6#
- 2.e6#
- 1...Rd4
- 2.Sh6#
- 1...Sf7
- 2.Qe6#
- 2.Qxf7#
- 2.Qd7#
- 1...Ra4+!
- threat
- 1.exd6?
- 1...f3
- 2.Sxe3#
- 2.Sh6#
- 1...cxd6!
- 1...f3
- 1.Sxe3+?
- Keys
- 1.Sf6!
- 1...Kxe5
- 2.Qd5#
- 1...Sxb5
- 2.Qxe4#
- 1...Ba3
- 2.Bg4#
- 1...Bb4
- 2.Bg4#
- 1...Bd4
- 2.Bg4#
- 1...Sc4
- 2.Qxe4#
- 1...Sb7
- 2.Qxe4#
- 1...Sf7
- 2.Qxe4#
- 1...Sc8
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...f3
- 2.g4#
- 1...Kxe5
- 1.Sf6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);::S(E)
- S(g);OGATE::QAB(D)
- S(g);OGATE,XR(G)::QAB(D)
- P(c);::S(E)
- Tries
- Try
- S(E);CHECK,XP(a)
- Vars
- K(e);N_SPINR(b),P-FLIGHT,P_SPINB(d),P_SPINP(c),XP(H)::QAR1(D)
- P(c);XS(E)::P(B)
- Refutation
- B(d);XS(E)
- Try
- B(A);
- Vars
- S(g);OGATE,XR(G)::QAB(D)
- P(c);::S(E)
- B(d);::S(E)
- S(g);OGATE::QAB(D)
- Refutation
- P(a);
- Try
- B(A);
- Vars
- B(d);::S(E)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- S(g);OGATE,XR(G)::QAB(D)
- B(d);::S(E)
- S(g);OGATE::QAB(D)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- S(g);OGATE,XR(G)::QAB(D)
- P(c);::S(E)
- B(d);::S(E)
- S(g);OGATE::QAB(D)
- Refutation
- P(c);XB(C)
- Try
- R(G);XB(d)
- Threat
- S(E)
- Vars
- S(g);OGATE::QAB(D)
- Refutation
- P(f);XR(G)
- Try
- Q(D);N_PINR(b)
- Threat
- S(E)
- Vars
- S(g);OGATE::QAB(D)
- Refutation
- R(b);XQ(D)
- Try
- Q(D);N_PINR(b)
- Threat
- DUALS(2)
- Vars
- R(b);::S(E)
- Refutation
- R(b);CHECK
- Try
- P(H);P_PINB(d),XS(g)
- Refutation
- P(i);XP(H)
- Try
- Actual
- S(E);
- Vars
- K(e);N_SPINR(b),OGATEB,P-FLIGHT,P_SPINB(d),P_SPINP(c),XP(H)::QAR1(D)
- S(g);N_GUARD,XR(G)::QAB1(D),XR(b)
- B(d);::B(A)
- S(g);N_GUARD::QAB1(D),XR(b)
- P(c);N_GUARD::P(B)
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).