MESON Chess Problem Database
Problem Display
PID: 21623 (2B3bb/2P2p1q/Np2P1p1/pk3P2/p2QR1n1/r3r3/p1N2B2/K1R5 w - - 0 1)
Funk, Jacob E
Sp. Prize, Good Companions (December), 1920
#2
11 + 13
| 3132 | The Good Companion Two-Mover | 1922 |
| 887 | Mate in Two Moves | 1931 |
| 5308 | La genialita compositiva di Giorgio Guidelli | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rac3
- 2.Qxa4#
- 1...Re1
- 2.Sxa3#
- 1...Re2
- 2.Sxa3#
- 1...Rec3
- 2.Qxb6#
- 1...Rxe4
- 2.Sxa3#
- 1...Bxd4+
- 2.Sxd4#
- 1...Se5
- 2.Qd5#
- 1...Sf6
- 2.Qc4#
- 1...f6
- 2.Qc4#
- 2.Qd5#
- 1...Rac3
- Tries
- 1.Sb8?
- threat
- 2.Ba6#
- 2.Bd7#
- 1...fxe6
- 2.Ba6#
- 1...Rac3
- 2.Ba6#
- 1...Rec3
- 2.Ba6#
- 2.Qxb6#
- 1...Se5
- 2.Ba6#
- 2.Qd5#
- 1...Sf6
- 2.Ba6#
- 2.Qc4#
- 1...f6
- 2.Ba6#
- 2.Qc4#
- 2.Qd5#
- 1...Bxd4+!
- threat
- 1.Re5+?
- 1...Kc6
- 2.Scb4#
- 2.Qd5#
- 2.Qd7#
- 1...Rxe5
- 2.Sxa3#
- 1...Sxe5
- 2.Qd5#
- 1...Bxe5!
- 1...Kc6
- 1.Qe5+?
- 1...Kc6
- 2.Scb4#
- 2.Sd4#
- 2.Sb8#
- 2.Rc4#
- 1...Sxe5
- 2.Sd4#
- 1...Bxe5+!
- 1...Kc6
- 1.f6?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qd7#
- 1...Kc6
- 2.Qd7#
- 1...Rxe4
- 2.Sxa3#
- 2.Qd5#
- 1...Sxf6
- 2.Qc4#
- 1...fxe6
- 2.Qc4#
- 1...Qh5
- 2.Qc4#
- 2.Qd7#
- 1...Rac3
- 2.Qxa4#
- 1...Rad3
- 2.Qxa4#
- 2.Qc4#
- 1...Rec3
- 2.Qxb6#
- 1...Red3
- 2.Qxb6#
- 2.Qc4#
- 1...Se5
- 2.Qd5#
- 1...Bxf6!
- threat
- 1.Sb8?
- Keys
- 1.e7!
- threat
- 2.e8Q#
- 2.e8B#
- 1...Bxd4+
- 2.Sxd4#
- 1...Kc6
- 2.e8Q#
- 2.e8B#
- 1...Rxe4
- 2.Sxa3#
- 1...Sxf2
- 2.e8Q#
- 2.e8B#
- 1...gxf5
- 2.e8Q#
- 2.e8B#
- 1...Rab3
- 2.e8Q#
- 2.e8B#
- 1...Qh1
- 2.e8Q#
- 2.e8B#
- 1...Qh2
- 2.e8Q#
- 2.e8B#
- 1...Qh3
- 2.e8Q#
- 2.e8B#
- 1...Qh4
- 2.e8Q#
- 2.e8B#
- 1...Qh5
- 2.e8Q#
- 2.e8B#
- 1...Qh6
- 2.e8Q#
- 2.e8B#
- 1...Qg7
- 2.e8Q#
- 2.e8B#
- 1...Rac3
- 2.Qxa4#
- 1...Rad3
- 2.e8Q#
- 2.e8B#
- 1...Re1
- 2.Sxa3#
- 2.e8Q#
- 2.e8B#
- 1...Re2
- 2.Sxa3#
- 2.e8Q#
- 2.e8B#
- 1...Reb3
- 2.e8Q#
- 2.e8B#
- 1...Rec3
- 2.Qxb6#
- 1...Red3
- 2.e8Q#
- 2.e8B#
- 1...Rf3
- 2.e8Q#
- 2.e8B#
- 1...Rg3
- 2.e8Q#
- 2.e8B#
- 1...Rh3
- 2.e8Q#
- 2.e8B#
- 1...Be5
- 2.e8Q#
- 2.e8B#
- 1...Bf6
- 2.e8Q#
- 2.e8B#
- 1...Bg7
- 2.e8Q#
- 2.e8B#
- 1...Sh2
- 2.e8Q#
- 2.e8B#
- 1...Se5
- 2.Qd5#
- 1...Sf6
- 2.Qc4#
- 1...Sh6
- 2.e8Q#
- 2.e8B#
- 1...g5
- 2.e8Q#
- 2.e8B#
- 1...f6
- 2.Qd7#
- threat
- 1.e7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(b);N_PINQ(E)::QAB1(E),XP(d)
- R(c);N_GUARD,P_PINR(B)::S(C),XR(b)
- R(c);N_GUARD::S(C),XR(b)
- R(c);N_PINQ(E)::QAR1(E),XP(h)
- R(c);N_GUARD,XR(F)::S(C),XR(b)
- B(m);CHECK,XQ(E)::S(C),XB(m)
- S(e);N_PINQ(E)::QAR2(E)
- S(e);N_PINQ(E)::QAB1(E)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(j);XP(I)::B(K)
- R(b);N_PINQ(E)::B(K)
- Refutation
- B(m);CHECK,XQ(E)
- Try
- R(F);CHECK,N_SPINQ(E)
- Vars
- R(c);XR(F)::S(C),XR(b)
- S(e);XR(F)::QAR2(E)
- Refutation
- B(m);P_PINQ(E),XR(F)
- Try
- Q(E);CHECK
- Vars
- S(e);XQ(E)::S(C)
- Refutation
- B(m);CHECK,XQ(E)
- Try
- P(G);N_SPINQ(E)
- Threat
- DUALS(3)
- Vars
- K(g);S_FLIGHT::QAB1(E)
- S(e);XP(G)::QAB1(E)
- P(j);XP(I)::QAB1(E)
- R(b);N_GUARD::QAB1(E),XP(d)
- R(c);::QAR1(E),XP(h)
- S(e);::QAR2(E)
- Refutation
- B(m);P_PINQ(E),XP(G)
- Try
- Actual
- P(I);
- Threat
- P=Q
- Vars
- B(m);CHECK,XQ(E)::S(C),XB(m)
- K(g);S_FLIGHT::P=Q
- R(c);N_GUARD,XR(F)::S(C),XR(b)
- S(e);XB(D)::P=Q
- P(i);XP(G)::P=Q
- R(b);::P=Q
- Q(k);P_PINR(B)::P=Q
- Q(k);::P=Q
- R(b);N_PINQ(E)::QAB1(E),XP(d)
- R(c);::P=Q
- R(c);N_PINQ(E)::QAR1(E),XP(h)
- B(m);::P=Q
- S(e);::P=Q
- S(e);N_PINQ(E)::QAR2(E)
- S(e);N_PINQ(E)::QAB1(E)
- P(i);::P=Q
- P(j);N_PINQ(E)::QAB(E)
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).