MESON Chess Problem Database
Problem Display
PID: 56594 (2R1rN2/3BR1nb/7r/1NPk2P1/2p2bPp/1qQ4K/1pp1P1n1/6B1 w - - 0 1)
Prins, Hendrik
3rd Prize, Die Schwalbe, 2004
#2
12 + 12
| 23 | Die Schwalbe | 2007 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Qd4#
- 1...Qa4
- 2.Qd4#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qb4
- 2.Qd4#
- 1...Qxb5
- 2.Qd4#
- 1...Rh5
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rd6
- 2.Sc7#
- 1...Rg6
- 2.e4#
- 1...Bc1
- 2.Sc7#
- 1...Bd2
- 2.Sc7#
- 1...Be3
- 2.Qe5#
- 1...Bg3
- 2.Qd4#
- 1...Bxg5
- 2.Sc7#
- 1...Bd6
- 2.Bc6#
- 1...Bc7
- 2.Sxc7#
- 1...Bd3
- 2.Qd4#
- 1...Bg6
- 2.Bc6#
- 1...Bg8
- 2.e4#
- 1...Se3
- 2.Qd4#
- 1...Sf5
- 2.e4#
- 1...Se6
- 2.Bc6#
- 1...Qa2
- Tries
- 1.Sg6?
- threat
- 2.Bc6#
- 2.e4#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qxb5
- 2.Qd4#
- 2.Qf3#
- 2.e4#
- 1...Rxg6
- 2.e4#
- 1...Rxc8
- 2.e4#
- 1...Bxg6
- 2.Bc6#
- 1...Be5
- 2.Bc6#
- 1...Se6
- 2.Bc6#
- 1...Be3
- 2.Qe5#
- 1...Bc7
- 2.Sxc7#
- 2.e4#
- 1...Se3
- 2.Sxf4#
- 2.Qd4#
- 1...Rxe7!
- threat
- 1.Be3?
- threat
- 2.Qd4#
- 1...Qxc3
- 2.Sxc3#
- 1...Bxe3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Se6
- 2.Bc6#
- 1...Sf5!
- threat
- 1.e3?
- threat
- 2.Qd4#
- 1...Qxc3
- 2.Sxc3#
- 1...Bxe3
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Sf5
- 2.e4#
- 1...Se6!
- threat
- 1.gxh6?
- threat
- 2.Bc6#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qxb5
- 2.Qd4#
- 1...Be3
- 2.Qe5#
- 1...Bc7
- 2.Sxc7#
- 1...Se3
- 2.Qd4#
- 1...Rxc8!
- threat
- 1.Sg6?
- Keys
- 1.g6!
- threat
- 2.Bc6#
- 2.e4#
- 1...Qxc3+
- 2.Sxc3#
- 1...Qxb5
- 2.Qd4#
- 2.Qf3#
- 2.e4#
- 1...Rxg6
- 2.e4#
- 1...Rxe7
- 2.Bc6#
- 1...Rxc8
- 2.e4#
- 1...Bxg6
- 2.Bc6#
- 1...Be5
- 2.Bc6#
- 1...Se6
- 2.Bc6#
- 1...Be3
- 2.Qe5#
- 1...Bc7
- 2.Sxc7#
- 2.e4#
- 1...Se3
- 2.Qd4#
- threat
- 1.g6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 16
- Sets
- Q(d);N_PINQ(C)::QAR1(C)
- Q(d);CHECK,XQ(C)::S(F),XQ(d)
- Q(d);N_PINQ(C),XS(F)::QAR1(C)
- R(i);N_GUARD::B(I)
- R(i);N_GUARD::B(I),XR(i)
- R(i);S_CUTB(f)::S(F)
- R(i);S_CUTB(k)::P(B)
- B(f);N_GUARD::S(F)
- B(f);N_PINQ(C)::QAR1(C)
- B(f);N_GUARD,XP(H)::S(F)
- B(f);S_CUTR(i)::B(I)
- B(f);N_GUARD::S(F),XB(f)
- B(k);N_PINQ(C)::QAR1(C)
- B(k);S_CUTR(i)::B(I)
- B(k);N_GUARD::P(B)
- S(c);N_PINQ(C)::QAR1(C)
- S(j);S_CUTB(k)::P(B)
- S(j);S_CUTR(i)::B(I)
- Tries
- Try
- S(L);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,XQ(C)::S(F),XQ(d)
- R(i);XS(L)::P(B)
- R(l);XR(K)::P(B)
- B(k);XS(L)::B(I)
- B(f);::B(I)
- S(j);::B(I)
- B(f);N_PINQ(C)::QAR1(C)
- Refutation
- R(l);XR(J)
- Try
- B(A);N_SPINQ(C)
- Threat
- QAR1(C)
- Vars
- Q(d);P_PINB(A),XQ(C)::S(F),XQ(d)
- B(f);N_GUARD,XB(A)::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- S(j);S_CUTR(i)::B(I)
- Refutation
- S(j);
- Try
- P(B);N_SPINQ(C)
- Threat
- QAR1(C)
- Vars
- Q(d);P_PINP(B),XQ(C)::S(F),XQ(d)
- B(f);N_GUARD,XP(B)::QAR1(C)
- B(f);N_GUARD::QAR1(C),XB(f)
- S(j);S_CUTB(k)::P(B)
- Refutation
- S(j);
- Try
- P(H);XR(i)
- Threat
- B(I)
- Vars
- Q(d);CHECK,XQ(C)::S(F),XQ(d)
- Q(d);N_PINQ(C),XS(F)::QAR1(C)
- B(f);N_PINQ(C)::QAR1(C)
- B(f);N_GUARD::S(F),XB(f)
- S(c);N_PINQ(C)::QAR1(C)
- Refutation
- R(l);XR(K)
- Try
- Actual
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,XQ(C)::S(F),XQ(d)
- R(i);XP(H)::P(B)
- R(l);XR(J)::B(I)
- R(l);XR(K)::P(B)
- B(k);XP(H)::B(I)
- B(f);::B(I)
- S(j);::B(I)
- B(f);N_PINQ(C)::QAR1(C)
- S(c);N_PINQ(C)::QAR1(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).