MESON Chess Problem Database
Problem Display
PID: 46648 (6Q1/K4nbr/1pN4q/5R1p/2n1k3/4PRp1/2bpP1B1/BN6 w - - 0 1)
Maleika, Gerhard
1st Prize, The Problemist, 1999/I
#2
10 + 11
| 145 | StrateGems | 2003 |
| 56 | The Problemist | 2003 |
| 23 | Die Schwalbe | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.R3f4#
- 1...Bc3
- 2.Sxc3#
- 1...Bf8
- 2.Sc3#
- 1...Sb2
- 2.Sxd2#
- 1...Sa3
- 2.Sxd2#
- 1...Sxe3
- 2.Sxd2#
- 2.R3f4#
- 1...Sa5
- 2.Sxd2#
- 1...Sce5
- 2.Sc3#
- 1...Scd6
- 2.Sxd2#
- 1...Sfe5
- 2.Sc3#
- 1...Sg5
- 2.R5f4#
- 2.Qd5#
- 1...Sfd6
- 2.Qd5#
- 1...Sd8
- 2.Qd5#
- 1...Sh8
- 2.Qd5#
- 1...Qxe3
- Tries
- 1.Sd4?
- threat
- 2.Sc3#
- 2.Rxg3#
- 1...Qxe3
- 2.R3f4#
- 2.Qa8#
- 1...Bxb1
- 2.Rxg3#
- 1...Sxe3
- 2.Sxd2#
- 2.R3f4#
- 1...Sce5
- 2.Sc3#
- 1...d1S
- 2.Rxg3#
- 1...Qf4
- 2.Sc3#
- 2.Qa8#
- 1...Sfe5
- 2.Sc3#
- 1...Sg5
- 2.Sc3#
- 2.Qd5#
- 1...Bxd4!
- threat
- 1.Bd4?
- threat
- 2.Sc3#
- 2.Rf1#
- 2.Rf2#
- 2.R3f4#
- 1...Qxe3
- 2.R3f4#
- 1...Bxb1
- 2.Rf1#
- 2.Rf2#
- 2.R3f4#
- 1...Sxe3
- 2.Sxd2#
- 2.Sc3#
- 2.R3f4#
- 1...Qf4
- 2.R3xf4#
- 1...Sce5
- 2.Sc3#
- 2.R3f4#
- 1...d1S
- 2.Rf1#
- 2.Rf2#
- 2.R3f4#
- 1...Sfe5
- 2.Sc3#
- 2.R3f4#
- 1...Sg5
- 2.Sc3#
- 2.R3f4#
- 2.R5f4#
- 2.Qd5#
- 1...Bxd4!
- threat
- 1.Re5+?
- 1...Scxe5
- 2.Sc3#
- 1...Sfxe5
- 2.Sc3#
- 1...Bxe5!
- 1...Scxe5
- 1.Qxf7?
- threat
- 2.Rxg3#
- 2.Qd5#
- 1...Qxe3
- 2.R3f4#
- 2.Qd5#
- 1...Qxc6
- 2.Rxg3#
- 2.R5f4#
- 1...Bxa1
- 2.Rxg3#
- 1...Sxe3
- 2.Sxd2#
- 2.R3f4#
- 1...d1Q
- 2.Rxg3#
- 1...d1R
- 2.Rxg3#
- 1...Qf4
- 2.R5xf4#
- 2.Qd5#
- 1...Qd6
- 2.Rxg3#
- 1...Qe6
- 2.Rxg3#
- 1...Qf6
- 2.Qd5#
- 1...Bb2
- 2.Rxg3#
- 1...Bc3
- 2.Sxc3#
- 2.Rxg3#
- 1...Bd4
- 2.Rxg3#
- 1...Be5
- 2.Rxg3#
- 1...Bf8
- 2.Sc3#
- 2.Rxg3#
- 1...Bh8
- 2.Rxg3#
- 1...Se5
- 2.Sxd2#
- 2.Sc3#
- 1...Bf6!
- threat
- 1.Qe8+?
- 1...Be5
- 2.Sc3#
- 1...Sce5
- 2.Sc3#
- 1...Sfe5
- 2.Sc3#
- 1...Qe6!
- 1...Be5
- 1.Sd4?
- Keys
- 1.Se7!
- threat
- 2.Rxg3#
- 1...Qxe3
- 2.R3f4#
- 2.Qa8#
- 1...Sxe3
- 2.Sxd2#
- 2.R3f4#
- 1...Qf4
- 2.R5xf4#
- 2.Qa8#
- 1...Sce5
- 2.Sxd2#
- 2.Sc3#
- 1...Sfe5
- 2.Sc3#
- 2.Qd5#
- 1...Sg5
- 2.R5f4#
- 2.Qd5#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- Q(h);SBLOCK,XP(E)::B(D)+R(F),DCHECK
- B(j);N_GUARD::S(B),XB(j)
- B(j);N_GUARD::S(B)
- S(d);N_GUARD::S(B),XP(b)
- S(d);S_CUTB(j)::S(B)
- S(i);S_CUTB(j)::S(B)
- S(i);OGATE::QAB1(J)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(a);XS(B)::B(D)+R(F),XP(c)
- S(d);::S(B)
- P(b);::B(D)+R(F),XP(c)
- S(i);::S(B)
- Refutation
- B(j);XS(H)
- Try
- B(A);
- Threat
- DUALS(4)
- Vars
- Q(h);XP(E)::B(D)+R(F),DCHECK
- Q(h);::B(D)+R(F),DCHECK,XQ(h)
- Refutation
- B(j);XB(A)
- Try
- R(G);CHECK
- Vars
- S(d);XR(G)::S(B)
- S(i);XR(G)::S(B)
- Refutation
- B(j);XR(G)
- Try
- Q(J);XS(i)
- Threat
- DUALS(2)
- Vars
- B(j);P_PINQ(J),XB(A)::B(D)+R(F),XP(c)
- P(b);::B(D)+R(F),XP(c)
- Q(h);::B(D)+R(F),XP(c)
- Q(h);::QAB1(J)
- B(j);P_PINQ(J)::B(D)+R(F),XP(c)
- Refutation
- B(j);P_PINQ(J)
- Try
- Q(J);CHECK
- Vars
- B(j);P_SPINB(j)::S(B)
- S(d);P_SPINS(d)::S(B)
- S(i);P_SPINS(i)::S(B)
- Refutation
- Q(h);P_SPINQ(h)
- Try
- Actual
- S(H);
- Threat
- B(D)+R(F),XP(c)
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).