MESON Chess Problem Database
Problem Display
PID: 176512 (8/5PBK/4p2p/3pR3/5k1P/qN1n1p1Q/1p6/2r1b2N w - - 0 1)
Zilahi, Zoltan
Schach-Echo, 1965
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.f8Q#
- 2.f8R#
- 1...Qa2
- 2.f8Q#
- 2.f8R#
- 1...Qxb3
- 2.f8Q#
- 2.f8R#
- 1...Qa4
- 2.f8Q#
- 2.f8R#
- 1...Qa5
- 2.f8Q#
- 2.f8R#
- 1...Qa6
- 2.f8Q#
- 2.f8R#
- 1...Rc5
- 2.f8Q#
- 2.f8R#
- 1...Bd2
- 2.Qg3#
- 1...Bc3
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bb4
- 2.Qg3#
- 1...Bxh4
- 2.Qxh4#
- 1...Ba5
- 2.Qg3#
- 1...Sf2
- 2.Qg3#
- 1...Sb4
- 2.f8Q#
- 2.f8R#
- 1...Sc5
- 2.f8Q#
- 2.f8R#
- 1...f2
- 2.Qg3#
- 1...Qa1
- Tries
- 1.Sg3?
- threat
- 2.Sh5#
- 1...Sxe5
- 2.Bxh6#
- 1...h5
- 2.Sxh5#
- 1...Bxg3!
- threat
- 1.Sd4?
- threat
- 2.Sxe6#
- 2.Qxf3#
- 1...Qd6
- 2.Qxf3#
- 1...Qe7
- 2.Qxf3#
- 1...Qa6
- 2.Qxf3#
- 2.f8Q#
- 2.f8R#
- 1...Rc6
- 2.Qxf3#
- 1...Bg3
- 2.Sxe6#
- 2.Qxg3#
- 1...Sf2
- 2.Sxe6#
- 2.Qg3#
- 1...Sb4
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Sc5
- 2.f8Q#
- 2.f8R#
- 1...f2
- 2.Se2#
- 2.Sxe6#
- 2.Qf3#
- 2.Qg3#
- 1...Sxe5!
- threat
- 1.Sc5?
- threat
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rxc5
- 2.f8Q#
- 2.f8R#
- 1...Bxh4
- 2.Sxe6#
- 2.Qxh4#
- 1...Sxc5
- 2.f8Q#
- 2.f8R#
- 1...Sxe5
- 2.Bxh6#
- 1...b1Q
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...b1S
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...b1B
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...b1R
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qb4
- 2.Sxd3#
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qa1
- 2.Sxd3#
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qa2
- 2.Sxd3#
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qb3
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qc3
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qa4
- 2.Sxd3#
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qa5
- 2.Sxd3#
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qa6
- 2.f8Q#
- 2.f8R#
- 1...Qa7
- 2.Sxd3#
- 2.Sxe6#
- 1...Qa8
- 2.Sxd3#
- 2.Sxe6#
- 1...Ra1
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rb1
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rd1
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rc2
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rc3
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Rc4
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Bd2
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...Bf2
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Bc3
- 2.Sxd3#
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...Bg3
- 2.Sxe6#
- 2.Qxg3#
- 2.f8Q#
- 2.f8R#
- 1...Bb4
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...Ba5
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...Sf2
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...Sb4
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...f2
- 2.Sxe6#
- 2.Qg3#
- 2.f8Q#
- 2.f8R#
- 1...d4
- 2.Sxe6#
- 2.Re4#
- 2.f8Q#
- 2.f8R#
- 1...h5
- 2.Sxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qxc5!
- threat
- 1.Rf5+?
- 1...Ke3
- 2.Qxf3#
- 1...Ke4
- 2.Qxf3#
- 1...exf5!
- 1...Ke3
- 1.Qxe6?
- threat
- 2.Bxh6#
- 2.Qf5#
- 1...Bxh4
- 2.Qf5#
- 1...f2
- 2.Qf5#
- 1...Qe7
- 2.Qf5#
- 1...Qf8
- 2.Qf5#
- 1...h5
- 2.Bh6#
- 2.Qf5#
- 1...Sxe5!
- threat
- 1.Qh2+?
- 1...Bg3
- 2.Qxg3#
- 1...Kg4!
- 1...Bg3
- 1.Sg3?
- Keys
- 1.Sd2!
- threat
- 2.Qxf3#
- 1...Bxd2
- 2.Qg3#
- 1...Sxe5
- 2.Bxh6#
- 1...Bg3
- 2.Qxg3#
- 1...Sf2
- 2.Qg3#
- 1...Sb4
- 2.f8Q#
- 2.f8R#
- 1...Sc5
- 2.f8Q#
- 2.f8R#
- 1...f2
- 2.Qf3#
- 2.Qg3#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(d);N_GUARD::P=Q
- Q(d);N_GUARD,XS(B)::P=Q
- R(a);S_CUTQ(d)::P=Q
- B(b);N_GUARD::QAB1(C)
- B(b);N_GUARD::QAB1(C),XB(b)
- B(b);OGATE,XP(D)::QAR2(C),XB(b)
- S(e);S_CUTB(b)::QAB1(C)
- S(e);S_CUTQ(d)::P=Q
- P(f);S_CUTB(b)::QAB1(C)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- S(e);SBLOCK,XR(E)::B(G),XP(j)
- P(j);::S(A),XP(j)
- Refutation
- B(b);XS(A)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(d);::QAR1(C),XP(f)
- R(a);::QAR1(C),XP(f)
- S(e);S_CUTQ(d)::P=Q
- Refutation
- S(e);XR(E)
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(a);XS(B)::P=Q
- S(e);XS(B)::P=Q
- S(e);SBLOCK,XR(E)::B(G),XP(j)
- Q(d);::P=Q
- Refutation
- Q(d);XS(B)
- Try
- R(E);CHECK
- Vars
- K(g);P_SPINP(f),S_FLIGHT::QAR1(C),XP(f)
- K(g);P-FLIGHT::QAB1(C),XP(f)
- Refutation
- P(i);XR(E)
- Try
- Q(C);XP(i)
- Threat
- DUALS(2)
- Vars
- B(b);XP(D)::QAR1(C)
- P(f);::QAR1(C)
- Q(d);::QAR1(C)
- Refutation
- S(e);XR(E)
- Try
- Q(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
- Refutation
- K(g);P-FLIGHT
- Try
- Actual
- S(B);
- Threat
- QAR1(C),XP(f)
- Vars
- B(b);N_GUARD,XS(B)::QAB1(C)
- S(e);SBLOCK,XR(E)::B(G),XP(j)
- B(b);N_GUARD::QAB1(C),XB(b)
- S(e);S_CUTB(b)::QAB1(C)
- S(e);S_CUTQ(d)::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).