MESON Chess Problem Database
Problem Display
PID: 137795 (2b2Q1q/4n3/1B2Bn2/1P1pk1Np/8/4N3/1bR5/5RK1 w - - 0 1)
Kopyl, Valery Volodimirovich
Melnichenko, Viktor Oleksandrovich
2nd Prize, Suomen Shakki, 2002
#2
9 + 8
| 23 | Die Schwalbe | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Bc7#
- 1...Bd4
- 2.Bc7#
- 1...Se4
- 2.Qf4#
- 1...Sg4
- 2.Qf4#
- 1...Sd7
- 2.Qf4#
- 1...Sh7
- 2.Qf4#
- 1...Se8
- 2.Qf4#
- 1...Sfg8
- 2.Qf4#
- 1...Sf5
- 2.Rxf5#
- 1...Sc6
- 2.Rf5#
- 1...Sg6
- 2.Rf5#
- 1...Seg8
- 2.Rf5#
- 1...d4
- 2.Sc4#
- 2.Bc7#
- 1...Kd6
- Tries
- 1.Sg4+?
- 1...Kd6
- 2.Bc7#
- 2.Rc6#
- 1...Sxg4
- 2.Qf4#
- 1...hxg4!
- 1...Kd6
- 1.Sf5?
- threat
- 2.Bc7#
- 1...Bd4+
- 2.Bxd4#
- 1...Sxf5
- 2.Rxf5#
- 1...Ba3
- 2.Bd4#
- 1...Se8
- 2.Re2#
- 1...Se4!
- threat
- 1.Rf5+?
- 1...Kd6
- 2.Bc7#
- 2.Rc6#
- 1...Sxf5!
- 1...Kd6
- 1.Rd2?
- threat
- 2.Bc7#
- 1...Kd6
- 2.Sc4#
- 1...Se4
- 2.Qf4#
- 1...Se8
- 2.Qf4#
- 1...Sf5
- 2.Rxf5#
- 1...Ba3!
- threat
- 1.Rc4?
- threat
- 2.Bc7#
- 1...Kd6
- 2.Bc7#
- 1...dxc4
- 2.Sxc4#
- 1...Se4
- 2.Qf4#
- 1...Se8
- 2.Qf4#
- 1...Sf5
- 2.Rxf5#
- 1...Ba3!
- threat
- 1.Qxe7?
- threat
- 2.Bd7#
- 2.Bxc8#
- 2.Rf5#
- 2.Qc7#
- 1...Bxe6
- 2.Rf5#
- 2.Qxe6#
- 2.Qc7#
- 1...Ba3
- 2.Rf5#
- 1...Qg7
- 2.Rf5#
- 1...Qd8
- 2.Rf5#
- 1...Qe8
- 2.Rf5#
- 2.Qc7#
- 1...Qf8
- 2.Rf5#
- 1...Qg8
- 2.Rf5#
- 2.Qc7#
- 1...Ba6
- 2.Bh3#
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bf7#
- 2.Bc8#
- 2.Bg8#
- 2.Rf5#
- 2.Qc7#
- 1...Bb7
- 2.Bh3#
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bf7#
- 2.Bc8#
- 2.Bg8#
- 2.Rf5#
- 2.Qc7#
- 1...Bd7
- 2.Bxd7#
- 2.Rf5#
- 1...Se4
- 2.Sf7#
- 2.Bd7#
- 2.Bxc8#
- 2.Rf5#
- 1...Sd7
- 2.Bh3#
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bxd7#
- 2.Bf7#
- 2.Bg8#
- 2.Rf5#
- 1...Se8
- 2.Bd7#
- 2.Bxc8#
- 2.Rf5#
- 1...Sg8
- 2.Rf5#
- 2.Qc7#
- 1...Qh7!
- threat
- 1.Qxf6+?
- 1...Kd6
- 2.Sf7#
- 2.Bc7#
- 1...Qxf6!
- 1...Kd6
- 1.Sg4+?
- Keys
- 1.Re2!
- threat
- 2.Sc4#
- 1...Kd6
- 2.Sf5#
- 1...Bd4
- 2.Bc7#
- 1...Se4
- 2.Qf4#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- K(c);P_SPINS(f),S_FLIGHT::B(G)
- B(a);P_PINS(D),SBLOCK::B(G)
- S(e);OGATE::QAB1(I)
- S(f);N_GUARD::R1(A),XS(f)
- S(f);N_GUARD::R1(A)
- Tries
- Try
- S(D);CHECK
- Vars
- S(e);OGATE,XS(D)::QAB1(I)
- Refutation
- P(d);XS(D)
- Try
- S(D);
- Threat
- B(G)
- Vars
- B(a);CHECK,N_GUARD::B(G),XB(a)
- S(f);OGATE,XS(D)::R1(A),XS(f)
- B(a);N_GUARD::B(G)
- S(e);N_GUARD::R(C)
- Refutation
- S(e);
- Try
- R(A);CHECK
- Refutation
- S(f);XR(A)
- Try
- R(C);
- Threat
- B(G)
- Vars
- K(c);P_SPINP(b),P_SPINS(f),S_FLIGHT::S(D)
- S(e);OGATE::QAB1(I)
- S(f);N_GUARD::R1(A),XS(f)
- Refutation
- B(a);
- Try
- R(C);
- Threat
- B(G)
- Vars
- K(c);P_SPINS(f),S_FLIGHT::B(G)
- P(b);XR(C)::S(D),XP(b)
- S(e);OGATE::QAB1(I)
- S(f);N_GUARD::R1(A),XS(f)
- Refutation
- B(a);
- Try
- Q(I);XS(f)
- Threat
- DUALS(4)
- Vars
- B(a);::R1(A)
- Q(h);P_PINS(F)::R1(A)
- Q(h);::R1(A)
- Refutation
- Q(h);
- Try
- Q(I);CHECK,XS(e)
- Refutation
- Q(h);XQ(I)
- Try
- Actual
- R(C);
- Threat
- R(C)+S(D),DCHECK
- Vars
- K(c);P_SPINS(f),S_FLIGHT::S(D)
- B(a);P_PINS(D),SBLOCK::B(G)
- S(e);OGATE::QAB1(I)
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).