MESON Chess Problem Database
Problem Display
PID: 233515 (8/2K2N1B/b7/2pp4/Q1Pk1BR1/2Nr1p2/6q1/2R1bn2 w - - 0 1)
Supp, Walter
Freie Presse, 1996
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Bd2#
- 2.Bg5#
- 2.Bh6#
- 1...Qa2
- 2.Bd2#
- 2.Bg5#
- 2.Bh6#
- 1...Qb2
- 2.Bd2#
- 2.Bg5#
- 2.Bh6#
- 1...Qc2
- 2.Bd2#
- 1...Qd2
- 2.Bxd2#
- 1...Qf2
- 2.Bd2#
- 2.Bg5#
- 2.Bh6#
- 1...Re3
- 2.Be5#
- 1...Bxc4
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Bc8
- 2.Sb5#
- 1...Se3
- 2.Be5#
- 1...f2
- 2.Se2#
- 1...dxc4
- 2.Qd7#
- 1...Qh1
- Tries
- 1.Sxd5?
- threat
- 2.Be3#
- 2.Bg3#
- 2.Be5#
- 1...Qxg4
- 2.Be5#
- 1...Bxc4
- 2.Qxc4#
- 1...Qh3
- 2.Be3#
- 2.Be5#
- 1...Qd2
- 2.Bxd2#
- 2.Be3#
- 2.Be5#
- 1...Qe2
- 2.Be3#
- 2.Be5#
- 1...Qh2
- 2.Bxh2#
- 2.Bg3#
- 2.Be5#
- 1...Qg3
- 2.Bxg3#
- 2.Be5#
- 1...Re3
- 2.Bxe3#
- 2.Be5#
- 1...Bd2
- 2.Be3#
- 2.Be5#
- 1...Bg3
- 2.Bxg3#
- 2.Be5#
- 1...Bc8
- 2.Be3#
- 2.Be5#
- 1...Sd2
- 2.Be3#
- 2.Be5#
- 1...Sh2
- 2.Be3#
- 2.Be5#
- 1...Se3
- 2.Bxe3#
- 2.Be5#
- 1...Sg3
- 2.Be3#
- 2.Bxg3#
- 2.Be5#
- 1...f2
- 2.Be3#
- 2.Be5#
- 1...Ba5+!
- threat
- 1.Se5?
- threat
- 2.Sc6#
- 1...Bb5
- 2.Sxb5#
- 1...Bb7
- 2.Sb5#
- 1...Qc2!
- threat
- 1.Sd8?
- threat
- 2.Sc6#
- 2.Se6#
- 1...Qxg4
- 2.Sc6#
- 1...Qe2
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 1...Bb5
- 2.Sxb5#
- 2.Se6#
- 1...Bb7
- 2.Sb5#
- 2.Se6#
- 1...Bc8
- 2.Sb5#
- 2.Sc6#
- 1...Qc2!
- threat
- 1.Qd7?
- threat
- 2.Qxd5#
- 1...Kxc4
- 2.Qa4#
- 1...Qc2
- 2.Bd2#
- 1...Bb7
- 2.Sb5#
- 1...Se3
- 2.Be5#
- 1...f2
- 2.Se2#
- 1...Bxc4!
- threat
- 1.Qe8?
- threat
- 2.Be3#
- 2.Bg3#
- 1...Kxc4
- 2.Qa4#
- 1...Qc2
- 2.Bd2#
- 1...Qh3
- 2.Be3#
- 1...Qd2
- 2.Bxd2#
- 2.Be3#
- 1...Qe2
- 2.Be3#
- 1...Qh2
- 2.Bxh2#
- 2.Bg3#
- 1...Qg3
- 2.Bxg3#
- 1...Re3
- 2.Bxe3#
- 2.Be5#
- 1...Bd2
- 2.Be3#
- 1...Bg3
- 2.Bxg3#
- 1...Bc8
- 2.Sb5#
- 2.Be3#
- 1...Sd2
- 2.Be3#
- 1...Sh2
- 2.Be3#
- 1...Se3
- 2.Bxe3#
- 2.Be5#
- 1...Sg3
- 2.Be3#
- 2.Bxg3#
- 1...f2
- 2.Se2#
- 2.Be3#
- 1...Qxg4!
- threat
- 1.Sxd5?
- Keys
- 1.Qc6!
- threat
- 2.Qxd5#
- 1...Kxc4
- 2.Qa4#
- 1...Bxc4
- 2.Qf6#
- 1...dxc4
- 2.Qe4#
- 2.Qd5#
- 2.Qd7#
- 2.Qd6#
- 2.Qf6#
- 1...Qc2
- 2.Bd2#
- 1...Bb7
- 2.Sb5#
- 1...Se3
- 2.Be5#
- 1...f2
- 2.Se2#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(c);N_GUARD::R(F)+B(E)
- Q(c);N_GUARD::R(F)+B(E),XQ(c)
- R(d);SBLOCK::R(F)+B(E),DCHECK
- B(i);N_GUARD,P_SPINB(i),XP(D)::S(B)
- B(i);N_GUARD::S(B),XB(i)
- B(i);N_GUARD::S(B)
- S(b);SBLOCK::R(F)+B(E),DCHECK
- P(e);N_GUARD,S_CUTQ(c)::S(B)
- P(h);OGATEB,P_SPINP(h),SBLOCK,XP(D)::QAR(C)
- Tries
- Try
- S(B);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(c);XR(F)::B(E)
- B(i);OGATE,P_SPINB(i),XP(D)::QAR1(C),XB(i)
- Refutation
- B(a);CHECK
- Try
- S(H);
- Threat
- S(H)
- Vars
- B(i);N_GUARD::S(B),XB(i)
- B(i);N_GUARD::S(B)
- Refutation
- Q(c);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(c);XR(F)::S(H)
- Q(c);::S(H)
- R(d);::S(H)
- Refutation
- Q(c);
- Try
- Q(C);P_PINP(h)
- Threat
- QAR1(C),XP(h)
- Vars
- K(f);N_SPINP(h),OGATEB,P-FLIGHT,XP(D)::QAR2(C)
- Q(c);N_GUARD::R(F)+B(E)
- B(i);N_GUARD::S(B)
- S(b);SBLOCK::R(F)+B(E),DCHECK
- P(e);N_GUARD,S_CUTQ(c)::S(B)
- Refutation
- B(i);XP(D)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(D)::QAR2(C)
- Q(c);N_GUARD::R(F)+B(E)
- Q(c);::R(F)+B(E),DCHECK
- Q(c);P_PINB(E)::R(F)+B(E),XQ(c)
- B(a);::R(F)+B(E),DCHECK
- B(a);P_PINB(E)::R(F)+B(E),XB(a)
- S(b);::R(F)+B(E),DCHECK
- Refutation
- Q(c);XR(F)
- Try
- Actual
- Q(C);
- Threat
- QAR1(C),XP(h)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINP(g),XP(D)::QAR2(C)
- B(i);SBLOCK,XP(D)::QAB(C)
- Q(c);N_GUARD::R(F)+B(E)
- B(i);N_GUARD::S(B)
- S(b);SBLOCK::R(F)+B(E),DCHECK
- P(e);N_GUARD,S_CUTQ(c)::S(B)
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).