MESON Chess Problem Database
Problem Display
PID: 74278 (4R2B/4nN2/3P2pP/3P1k1p/4b1NP/2n1R1PB/5P1K/Q2qb3 w - - 0 1)
Berg, Wolfgang
Wochenpost, 1993
#2
14 + 8
| 6113 | Problemschach-Jahrbuch (1993) | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Qc2
- 2.Sge5#
- 2.Sf6#
- 1...Qb3
- 2.Sge5#
- 2.Sf6#
- 1...Qa4
- 2.Sge5#
- 2.Sf6#
- 1...Qxa1
- 2.Sge5#
- 2.Sf6#
- 1...Qb1
- 2.Sge5#
- 2.Sf6#
- 1...Qc1
- 2.Sge5#
- 2.Sf6#
- 1...Qd2
- 2.Sge5#
- 2.Sf6#
- 1...Qd3
- 2.Sge5#
- 2.Sf6#
- 1...Qd4
- 2.Sge5#
- 2.Sf6#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 1...Bb1
- 2.Re5#
- 1...Bh1
- 2.Re5#
- 1...Bc2
- 2.Re5#
- 1...Bg2
- 2.Re5#
- 1...Bd3
- 2.Re5#
- 1...Bf3
- 2.Re5#
- 1...Bxd5
- 2.Re5#
- 1...Sb1
- 2.Qe5#
- 2.Qf6#
- 1...Sa2
- 2.Qe5#
- 2.Qf6#
- 1...Se2
- 2.Sge5#
- 2.Sf6#
- 2.Qe5#
- 2.Qf6#
- 1...Sa4
- 2.Qe5#
- 2.Qf6#
- 1...Sb5
- 2.Qe5#
- 2.Qf6#
- 1...Scxd5
- 2.Qe5#
- 1...Sexd5
- 2.Re5#
- 1...Sc8
- 2.Re5#
- 1...Sg8
- 2.Re5#
- 1...Qc2
- Tries
- 1.Sd8?
- threat
- 2.Rf8#
- 1...Qxd5
- 2.Se5#
- 1...Bxd5
- 2.Re5#
- 1...Scxd5
- 2.Qe5#
- 1...Sexd5
- 2.Re5#
- 1...Qd4
- 2.Se5#
- 1...Sg8
- 2.Re5#
- 1...g5!
- threat
- 1.Rf3+?
- 1...Qxf3
- 2.Se3#
- 1...Bxf3!
- 1...Qxf3
- 1.Rxe7?
- threat
- 2.Re5#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 1...Qd4
- 2.Sge5#
- 2.Sf6#
- 1...g5!
- threat
- 1.Qxc3?
- threat
- 2.Qe5#
- 2.Qf6#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 2.Qf6#
- 1...Sxd5
- 2.Re5#
- 2.Qe5#
- 2.Qc8#
- 1...g5
- 2.Qf6#
- 1...Qa1
- 2.Sge5#
- 2.Sf6#
- 1...Qd4
- 2.Sge5#
- 2.Sf6#
- 1...Sc6
- 2.Qf6#
- 1...Sg8
- 2.Re5#
- 2.Qe5#
- 2.Qc8#
- 1...Bxc3!
- threat
- 1.Qxd1?
- threat
- 2.Sge5#
- 2.Sf6#
- 1...hxg4
- 2.Bxg4#
- 2.Qxg4#
- 1...Bg2
- 2.Re5#
- 1...Bf3
- 2.Re5#
- 2.Qxf3#
- 1...g5!
- threat
- 1.Qa7?
- threat
- 2.Qd7#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 1...Bxd5
- 2.Re5#
- 1...Qa4
- 2.Sge5#
- 2.Sf6#
- 1...g5!
- threat
- 1.dxe7?
- threat
- 2.Sd6#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 1...Sxd5
- 2.Qe5#
- 1...Sb5
- 2.Qe5#
- 2.Qf6#
- 1...g5!
- threat
- 1.d7?
- threat
- 2.Sd6#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 1...Scxd5
- 2.Qe5#
- 1...Sb5
- 2.Qe5#
- 2.Qf6#
- 1...Sc8
- 2.Re5#
- 2.dxc8Q#
- 2.dxc8B#
- 1...g5!
- threat
- 1.h7?
- threat
- 2.Sgh6#
- 2.Sfh6#
- 1...Qxg4
- 2.Sh6#
- 1...Qxd5
- 2.Sge5#
- 2.Sf6#
- 2.Sgh6#
- 1...Scxd5
- 2.Sgh6#
- 2.Qe5#
- 1...hxg4
- 2.Sh6#
- 1...Sg8
- 2.Sgh6#
- 2.Re5#
- 1...g5!
- threat
- 1.Sd8?
- Keys
- 1.Sg5!
- threat
- 2.Rf8#
- 1...Qxd5
- 2.Se5#
- 1...Bxd5
- 2.Re5#
- 1...Scxd5
- 2.Qe5#
- 1...Sexd5
- 2.Re5#
- 1...Qd4
- 2.Se5#
- 1...Sg8
- 2.Re5#
- threat
- 1.Sg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(d);OGATE::R1(D)
- B(d);OGATE,XP(I)::R1(D)
- S(c);OGATE,XP(I)::QAR1(A)
- S(h);OGATE,XP(I)::R1(M)
- S(h);OGATE::R1(M)
- Tries
- Try
- S(L);
- Threat
- R(M)
- Vars
- Q(a);N_GUARD,XP(I)::B(F)+S(G)
- B(d);OGATE,XP(I)::R1(D)
- S(c);OGATE,XP(I)::QAR1(A)
- S(h);OGATE,XP(I)::R1(M)
- Q(a);N_GUARD::B(F)+S(G)
- S(h);OGATE::R1(M)
- Refutation
- P(g);
- Try
- R(D);CHECK
- Vars
- Q(a);XR(D)::B(F)+S(G),DCHECK
- Refutation
- B(d);XR(D)
- Try
- R(M);XS(h)
- Threat
- R1(M)
- Refutation
- P(g);
- Try
- Q(A);XS(c)
- Threat
- DUALS(2)
- Vars
- P(g);::QAR1(A)
- S(h);::QAR1(A)
- Refutation
- B(b);XQ(A)
- Try
- Q(A);XQ(a)
- Threat
- DUALS(2)
- Vars
- B(d);OGATE::R1(D)
- Refutation
- P(g);
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- B(d);OGATE,XP(I)::R1(D)
- Refutation
- P(g);
- Try
- P(J);XS(h)
- Threat
- S(L)
- Vars
- S(c);OGATE,XP(I)::QAR1(A)
- Refutation
- P(g);
- Try
- P(J);
- Threat
- S(L)
- Vars
- S(c);OGATE,XP(I)::QAR1(A)
- Refutation
- P(g);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- Q(a);P_SPINQ(a),XS(G)::S(L)
- P(f);P_SPINP(f),XS(G)::S(L)
- Refutation
- P(g);
- Try
- Actual
- S(L);
- Threat
- R(M)
- Vars
- Q(a);N_GUARD,XP(I)::B(F)+S(G)
- B(d);OGATE,XP(I)::R1(D)
- S(c);OGATE,XP(I)::QAR1(A)
- S(h);OGATE,XP(I)::R1(M)
- Q(a);N_GUARD::B(F)+S(G)
- S(h);OGATE::R1(M)
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).