MESON Chess Problem Database
Problem Display
PID: 268316 (B3RKb1/3pn1Br/2q2np1/p3P3/Rb2kNP1/1P1NP3/2QP2P1/5r2 w - - 0 1)
Forster, Richard
Die Schwalbe, 1986
#2
14 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Sxg4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Sfd5
- 2.Sf2#
- 2.Sc5#
- 1...Sh5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Sxe8
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Sed5+
- 2.Sc5#
- 1...Sf5+
- 2.Sxb4#
- 2.Sc5#
- 1...Sc8+
- 2.Sxb4#
- 2.Sc5#
- 1...Qd5
- Tries
- 1.Bxf6?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Sd5+
- 2.Sc5#
- 1...Sf5+
- 2.Sxb4#
- 2.Sc5#
- 1...Sc8+
- 2.Sxb4#
- 2.Sc5#
- 1...Rxf4
- 2.Sxb4#
- 2.Sxf4#
- 1...Bxb3
- 2.Sf2#
- 2.Sc5#
- 1...Rc1
- 2.Sxc1#
- 2.Sf2#
- 2.Sc5#
- 1...Re1
- 2.Sc1#
- 2.Sxe1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Rf2
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sxb4#
- 2.Sc5#
- 1...Bc4
- 2.Sf2#
- 2.Sc5#
- 2.Qxc4#
- 1...Bd5
- 2.Sf2#
- 2.Sc5#
- 1...d5
- 2.Sf2#
- 2.Sc5#
- 1...Rf7+!
- threat
- 1.Bxc6+?
- 1...Bd5
- 2.Qc4#
- 1...Sfd5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 2.Qc4#
- 1...Sed5+
- 2.Sxb4#
- 2.Sc5#
- 1...Sxc6+
- 2.Sxb4#
- 2.Sc5#
- 1...d5
- 2.Qc4#
- 1...dxc6!
- 1...Bd5
- 1.Rxb4+?
- 1...Bc4
- 2.Rxc4#
- 2.Qxc4#
- 1...axb4!
- 1...Bc4
- 1.Qxc6+?
- 1...Bd5
- 2.Qc4#
- 1...Sfd5
- 2.Sc5#
- 2.Qc4#
- 1...Sed5+
- 2.Sc5#
- 1...Sxc6+
- 2.Sc5#
- 1...d5
- 2.Qc4#
- 1...dxc6!
- 1...Bd5
- 1.Bxf6?
- Keys
- 1.Se2!
- threat
- 2.Sc3#
- 1...Sxg4+
- 2.Sdf4#
- 1...Sfd5+
- 2.Sf2#
- 1...Sh5+
- 2.Sdf4#
- 1...Sxe8+
- 2.Sdf4#
- 1...Sed5+
- 2.Sc5#
- 1...Sf5+
- 2.Sxb4#
- 1...Sc8+
- 2.Sxb4#
- 1...Kd5
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Bd5
- 2.Sg3#
- 1...d5
- 2.Sg3#
- threat
- 1.Se2!
This is a version of 21348
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 1
- Sets
- Q(e);S_CUTB(k)::QAR2(A)
- B(k);N_GUARD,N_SPINB(b)::QAR2(A),XB(k)
- S(i);CHECK,N_SPINQ(e)::QAB(A)+S(E),DCHECK
- Tries
- Try
- B(K);XS(f)
- Threat
- DUALS(6)
- Vars
- S(i);CHECK,N_SPINQ(e)::QAB(A)+S(E),DCHECK
- Refutation
- R(j);CHECK
- Try
- B(L);CHECK,XQ(e)
- Vars
- B(k);::QAR2(A)
- P(h);P_SPINP(h)::QAR2(A)
- Refutation
- P(h);XB(L)
- Try
- R(G);CHECK,XB(b)
- Refutation
- P(d);XR(G)
- Try
- Q(A);CHECK,XQ(e)
- Vars
- B(k);::QAR2(A)
- S(i);CHECK,P_SPINS(i)::S(E)
- S(i);CHECK,P_SPINS(i),XQ(A)::S(E)
- P(h);P_SPINP(h)::QAR2(A)
- Refutation
- P(h);P_SPINP(h),XQ(A)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- S(f);CHECK,XP(I)::QAB(A)+S(E)
- S(f);CHECK,N_SPINQ(e),SBLOCK::QAB(A)+S(E),DCHECK
- S(f);CHECK::QAB(A)+S(E)
- S(f);CHECK,XR(M)::QAB(A)+S(E)
- S(i);CHECK,N_SPINQ(e),SBLOCK::QAB(A)+S(E),DCHECK
- S(i);CHECK::QAB(A)+S(E),XB(b)
- K(c);N_SPINB(b),S_CUTB(k),S_FLIGHT::QAB1(A)
- B(k);N_GUARD,N_SPINB(b)::QAR2(A),XB(k)
- B(k);N_SPINQ(e),SBLOCK::S(H)
- P(h);N_SPINQ(e),SBLOCK::S(H)
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).