MESON Chess Problem Database
Problem Display
PID: 49234 (Bb6/3N4/bpn4r/2B3Qn/r2pkpN1/2R2pp1/p1P5/K2R4 w - - 0 1)
Myllyniemi, Matti Arvo
1st Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1979-1980
#2
9 + 13
| 117 | Suomen Shakki | 1981 |
| 1077 | Boletim da UBP | 1987 |
| 702 | Phenix | 1988 |
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Rxd4#
- 1...Rc4
- 2.Re1#
- 1...Ra5
- 2.Rxd4#
- 1...Rd6
- 2.Qe5#
- 1...Rh7
- 2.Bxc6#
- 1...Rh8
- 2.Bxc6#
- 1...Bd3
- 2.cxd3#
- 1...Bc4
- 2.Rxd4#
- 1...Bb7
- 2.Re1#
- 1...Bc8
- 2.Re1#
- 1...Be5
- 2.Qxe5#
- 1...Bd6
- 2.Bxc6#
- 1...Ba7
- 2.Qe5#
- 1...g2
- 2.Sf2#
- 1...dxc3
- 2.Qd5#
- 1...d3
- 2.Re1#
- 1...bxc5
- 2.Sxc5#
- 1...b5
- 2.Re1#
- 1...Ra3
- Tries
- 1.Sxh6?
- threat
- 2.Bxc6#
- 2.Qf5#
- 1...Be5
- 2.Bxc6#
- 2.Qxe5#
- 1...Bc4
- 2.Rxd4#
- 2.Qf5#
- 1...Bb5
- 2.Qf5#
- 1...Bb7
- 2.Re1#
- 2.Qf5#
- 1...Sf6
- 2.Sxf6#
- 2.Qf5#
- 1...Sg7
- 2.Sf6#
- 2.Bxc6#
- 1...Bd3!
- threat
- 1.Sxb6?
- threat
- 2.Qd5#
- 1...Rd6
- 2.Qe5#
- 1...Bc4
- 2.Rxd4#
- 1...Be5
- 2.Qxe5#
- 1...Sf6!
- threat
- 1.Sxb8?
- threat
- 2.Qe5#
- 1...Bb7
- 2.Re1#
- 1...Re6!
- threat
- 1.Bd6?
- threat
- 2.Bxc6#
- 2.Qe5#
- 1...Rxd6
- 2.Qe5#
- 1...Bxd6
- 2.Bxc6#
- 1...d3
- 2.Qe5#
- 1...Rc4
- 2.Re1#
- 2.Qe5#
- 1...Re6
- 2.Bxc6#
- 1...Bc4
- 2.Qe5#
- 1...Bb5
- 2.Qe5#
- 1...Bb7
- 2.Re1#
- 1...Sf6
- 2.Qe5#
- 1...Ra5!
- threat
- 1.Rcd3?
- threat
- 2.Re1#
- 1...Bxd3
- 2.cxd3#
- 1...Be5
- 2.Qxe5#
- 1...f2!
- threat
- 1.Re3+?
- 1...dxe3
- 2.Qd5#
- 1...fxe3!
- 1...dxe3
- 1.Rc4?
- threat
- 2.Re1#
- 2.Rdxd4#
- 1...Rxc4
- 2.Re1#
- 1...Bxc4
- 2.Rxd4#
- 1...bxc5
- 2.Sxc5#
- 2.Re1#
- 1...Be5
- 2.Qxe5#
- 1...Ra3
- 2.Rdxd4#
- 2.Rcxd4#
- 1...Rd6
- 2.Re1#
- 2.Qe5#
- 1...Bb7
- 2.Re1#
- 1...f2!
- threat
- 1.Qg6+?
- 1...Kd5
- 2.Sxb6#
- 2.Bxc6#
- 1...Rxg6!
- 1...Kd5
- 1.Sxh6?
- Keys
- 1.Bxb6!
- threat
- 2.Sc5#
- 1...Be5
- 2.Qxe5#
- 1...Rc4
- 2.Re1#
- 1...Ra5
- 2.Rxd4#
- 1...Bd6
- 2.Bxc6#
- 1...d3
- 2.Re1#
- threat
- 1.Bxb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 13
- Sets
- R(d);N_GUARD::R1(B),XP(e)
- R(d);S_CUTB(i)::R(B)
- R(l);S_CUTB(m)::QAR1(G)
- R(l);N_GUARD::B(I),XS(k)
- B(i);OGATE::P(C),XB(i)
- B(i);S_CUTR(d)::R1(B),XP(e)
- B(i);N_GUARD,N_SPINS(k)::R(B)
- B(i);N_GUARD::R(B)
- B(m);N_GUARD::QAR1(G),XB(m)
- B(m);S_CUTR(l)::B(I),XS(k)
- B(m);N_GUARD::QAR1(G)
- P(c);N_GUARD::S(E)
- P(e);XR(D)::QAB1(G)
- P(e);S_CUTB(i)::R(B)
- P(j);XB(F)::S(H),XP(j)
- P(j);S_CUTB(i)::R(B)
- Tries
- Try
- S(E);XR(l)
- Threat
- DUALS(2)
- Vars
- B(i);::QAB1(G)
- Refutation
- B(i);
- Try
- S(H);XP(j)
- Threat
- QAB1(G)
- Vars
- R(l);S_CUTB(m)::QAR1(G)
- B(i);S_CUTR(d)::R1(B),XP(e)
- B(m);N_GUARD::QAR1(G),XB(m)
- Refutation
- S(h);
- Try
- S(H);XB(m)
- Threat
- QAR1(G)
- Vars
- B(i);N_GUARD,N_SPINS(k)::R(B)
- Refutation
- R(l);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(l);XB(F)::QAR1(G)
- B(m);XB(F)::B(I),XS(k)
- P(e);::QAR1(G)
- R(l);::B(I),XS(k)
- B(i);::QAR1(G)
- B(i);N_GUARD,N_SPINS(k)::R(B)
- S(h);::QAR1(G)
- Refutation
- R(d);
- Try
- R(D);
- Threat
- R(B)
- Vars
- B(i);OGATE,XR(D)::P(C),XB(i)
- B(m);N_GUARD::QAR1(G),XB(m)
- Refutation
- P(b);
- Try
- R(D);CHECK
- Vars
- P(e);XR(D)::QAB1(G)
- Refutation
- P(g);XR(D)
- Try
- R(D);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(d);N_SPINP(e),XR(D)::R(B)
- B(i);N_SPINP(e),XR(D)::R1(B),XP(e)
- B(m);N_GUARD::QAR1(G),XB(m)
- B(i);N_SPINS(k)::R(B)
- Refutation
- P(b);
- Try
- Q(G);CHECK
- Refutation
- R(l);XQ(G)
- Try
- Actual
- B(F);XP(j)
- Threat
- S(H)
- Vars
- B(m);N_GUARD::QAR1(G),XB(m)
- R(d);S_CUTB(i)::R(B)
- R(d);N_GUARD::R1(B),XP(e)
- B(m);S_CUTR(l)::B(I),XS(k)
- P(e);S_CUTB(i)::R(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).