MESON Chess Problem Database
Problem Display
PID: 135985 (2nR1Qnq/p5rb/Pp2B2b/1P1Pk2N/4p1p1/2P1p1K1/3PRN2/8 w - - 0 1)
Woschnik, Thomas
Augsburger Allgemeine Zeitung, 1999
#2
12 + 12
| 14503 | Problemschach-Jahrbuch (1999) | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.Qf4#
- 1...Rg6
- 2.Qf5#
- 1...Rb7
- 2.Sxg4#
- 1...Rc7
- 2.Sxg4#
- 1...Rd7
- 2.Sxg4#
- 1...Re7
- 2.Sxg4#
- 1...Rf7
- 2.Sxg4#
- 1...Bf4+
- 2.Qxf4#
- 1...Bg5
- 2.Sxg4#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Sxg4#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qxf6#
- 1...Se7
- 2.Qf6#
- 1...exd2
- 2.Sd3#
- 1...exf2
- 2.d4#
- 1...Rg5
- Tries
- 1.Bxc8?
- threat
- 2.Qd6#
- 1...Bf4+
- 2.Qxf4#
- 1...Rg6
- 2.Qf5#
- 1...Re7
- 2.Sxg4#
- 1...Se7
- 2.Qf6#
- 1...Rd7!
- threat
- 1.Rxe3?
- threat
- 2.Sd3#
- 2.d4#
- 1...Bf4+
- 2.Qxf4#
- 1...Bxe3!
- threat
- 1.Qb4?
- threat
- 2.Qd4#
- 1...Rd7
- 2.Sxg4#
- 1...Bf4+!
- threat
- 1.Qxg7+?
- 1...Bxg7
- 2.Sxg4#
- 1...Sf6
- 2.Sxg4#
- 1...Qxg7!
- 1...Bxg7
- 1.d3?
- threat
- 2.d4#
- 1...Bf4+
- 2.Qxf4#
- 1...exd3!
- threat
- 1.Bxc8?
- Keys
- 1.Rd7!
- 1...Bf4+
- 2.Qxf4#
- 1...Rxd7
- 2.Sxg4#
- 1...exd2
- 2.Sd3#
- 1...exf2
- 2.d4#
- 1...Sce7
- 2.Qb8#
- 1...Rg5
- 2.Qf4#
- 1...Rg6
- 2.Qf5#
- 1...Re7
- 2.Sxg4#
- 1...Rf7
- 2.Sxg4#
- 1...Bg5
- 2.Sxg4#
- 1...Bf5
- 2.Qxf5#
- 1...Bg6
- 2.Sxg4#
- 1...Sd6
- 2.Qxd6#
- 1...Sf6
- 2.Qxf6#
- 1...Sge7
- 2.Qf6#
- 1...Bf4+
- 1.Rd7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(h);S_CUTB(f)::QAB1(L)
- R(h);S_CUTB(i)::QAR1(L)
- R(h);N_GUARD::S(C),XP(c)
- B(f);CHECK,N_GUARD::QAB1(L),XB(f)
- B(f);S_CUTR(h)::S(C),XP(c)
- B(i);N_GUARD::QAR1(L),XB(i)
- B(i);S_CUTR(h)::S(C),XP(c)
- S(j);N_GUARD::QAB1(L),XS(j)
- S(k);N_GUARD::QAB1(L),XS(k)
- S(k);N_GUARD::QAB1(L)
- P(a);P_SPINP(b),XP(A)::S(C)
- P(a);P_SPINP(b),XS(C)::P(A)
- Tries
- Try
- B(J);XS(j)
- Threat
- QAB1(L)
- Vars
- B(f);CHECK,N_GUARD::QAB1(L),XB(f)
- R(h);S_CUTB(i)::QAR1(L)
- R(h);N_GUARD::S(C),XP(c)
- S(k);N_GUARD::QAB1(L)
- Refutation
- R(h);
- Try
- R(B);P_PINP(b),XP(a)
- Threat
- DUALS(2)
- Vars
- B(f);CHECK,N_GUARD::QAB1(L),XB(f)
- Refutation
- B(f);N_SPINP(b),XR(B)
- Try
- Q(L);
- Threat
- QAB1(L)
- Vars
- R(h);N_GUARD::S(C),XP(c)
- Refutation
- B(f);CHECK
- Try
- Q(L);CHECK,XR(h)
- Vars
- B(f);XQ(L)::S(C),XP(c)
- S(k);P_SPINS(k)::S(C),XP(c)
- Refutation
- Q(l);XQ(L)
- Try
- P(A);
- Threat
- P(A)
- Vars
- B(f);CHECK,N_GUARD::QAB1(L),XB(f)
- Refutation
- P(b);P_SPINP(a),XP(A)
- Try
- Actual
- R(K);
- Vars
- B(f);CHECK,N_GUARD::QAB1(L),XB(f)
- R(h);N_GUARD,XR(K)::S(C),XP(c)
- P(a);P_SPINP(b),XP(A)::S(C)
- P(a);P_SPINP(b),XS(C)::P(A)
- S(j);OGATE::QAB(L)
- R(h);S_CUTB(f)::QAB1(L)
- R(h);S_CUTB(i)::QAR1(L)
- R(h);N_GUARD::S(C),XP(c)
- B(f);S_CUTR(h)::S(C),XP(c)
- B(i);N_GUARD::QAR1(L),XB(i)
- B(i);S_CUTR(h)::S(C),XP(c)
- S(j);N_GUARD::QAB1(L),XS(j)
- S(k);N_GUARD::QAB1(L),XS(k)
- S(k);N_GUARD::QAB1(L)
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).