MESON Chess Problem Database
Problem Display
PID: 107948 (Kb3N2/2B1p2P/1p1n2P1/1R1pkp1Q/4N1n1/2PPqbP1/8/4R3 w - - 0 1)
Czako, Laszlo
Vaux Wilson "2A", 1982
#2
12 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.d4#
- 1...Qf4
- 2.d4#
- 1...Qg5
- 2.d4#
- 1...Qh6
- 2.d4#
- 1...Sf2
- 2.h8Q#
- 2.h8B#
- 1...Sh2
- 2.h8Q#
- 2.h8B#
- 1...Sh6
- 2.h8Q#
- 2.h8B#
- 1...e6
- 2.Sd7#
- 1...Qc1
- Tries
- 1.Sc5?
- threat
- 2.Scd7#
- 2.Sfd7#
- 1...d4+
- 2.Se4#
- 1...Kf6
- 2.h8Q#
- 2.h8B#
- 1...Sf6
- 2.d4#
- 1...bxc5!
- threat
- 1.Rxe3?
- threat
- 2.d4#
- 1...Sxe3
- 2.h8Q#
- 2.h8B#
- 1...Bxe4!
- threat
- 1.Qxg4?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Qxe1
- 2.Qf4#
- 2.d4#
- 2.h8Q#
- 2.h8B#
- 1...Qxd3
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Qxe4
- 2.h8Q#
- 2.h8B#
- 1...Bxe4
- 2.h8Q#
- 2.h8B#
- 1...Bxg4
- 2.h8Q#
- 2.h8B#
- 1...Bxc7
- 2.h8Q#
- 2.h8B#
- 1...fxe4
- 2.Sd7#
- 2.Qe6#
- 2.h8Q#
- 2.h8B#
- 1...Qc1
- 2.d4#
- 2.h8Q#
- 2.h8B#
- 1...Qg1
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Qd2
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Qd4
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Qf4
- 2.Qxf4#
- 2.d4#
- 2.gxf4#
- 2.h8Q#
- 2.h8B#
- 1...Qc5
- 2.Qf4#
- 2.h8Q#
- 2.h8B#
- 1...Qg5
- 2.d4#
- 1...Qh6
- 2.d4#
- 1...Qe2
- 2.Qf4#
- 2.d4#
- 2.h8Q#
- 2.h8B#
- 1...Bd1
- 2.h8Q#
- 2.h8B#
- 1...Bh1
- 2.h8Q#
- 2.h8B#
- 1...Be2
- 2.h8Q#
- 2.h8B#
- 1...Bg2
- 2.h8Q#
- 2.h8B#
- 1...Ba7
- 2.h8Q#
- 2.h8B#
- 1...f4
- 2.Sd7#
- 2.Qe6#
- 2.Qg5#
- 2.h8Q#
- 2.h8B#
- 1...e6
- 2.Sd7#
- 2.h8Q#
- 2.h8B#
- 1...fxg4!
- threat
- 1.Qg5?
- threat
- 2.Qxe7#
- 1...Qxg5
- 2.d4#
- 1...e6
- 2.Sd7#
- 1...Sf6!
- threat
- 1.Sc5?
- Keys
- 1.Sg5!
- threat
- 2.Sd7#
- 1...Kf6
- 2.h8Q#
- 2.h8B#
- 1...f4
- 2.Se4#
- 1...Sf6
- 2.Sxf3#
- 2.Sf7#
- 2.d4#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD::P(C)
- S(c);N_GUARD::P=Q
- P(i);SBLOCK::S(L)
- Tries
- Try
- S(E);N_PINP(d),P_PINP(f),P_PINQ(a)
- Threat
- DUALS(2)
- Vars
- P(d);CHECK::R(F)+S(E)
- K(e);N_SPINP(f),N_SPINQ(a),N_SPINS(h),S_FLIGHT::P=Q
- S(c);SBLOCK::P(C)
- Refutation
- P(g);XS(E)
- Try
- R(A);XQ(a)
- Threat
- P(C)
- Vars
- S(c);N_GUARD,XR(A)::P=Q
- Refutation
- B(b);P_SPINB(b),XS(E)
- Try
- Q(G);XS(c)
- Threat
- P=Q
- Vars
- Q(a);P_SPINQ(a),XS(E)::P=Q
- B(b);XS(E)::P=Q
- B(b);XQ(G)::P=Q
- B(j);N_SPINS(h),XB(I)::P=Q
- Q(a);::P=Q
- Q(a);N_GUARD::P(C)
- B(b);::P=Q
- B(j);::P=Q
- Refutation
- P(f);XQ(G)
- Try
- Q(G);
- Threat
- QAR2(G),XP(i)
- Vars
- Q(a);N_GUARD,XQ(G)::P(C)
- P(i);SBLOCK::S(L)
- Refutation
- S(c);
- Try
- Actual
- S(E);P_PINQ(a)
- Threat
- S(L)
- Vars
- K(e);N_SPINP(d),N_SPINQ(a),N_SPINS(h),S_FLIGHT::P=Q
- P(f);::QAR(G)+S(E)
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).