MESON Chess Problem Database
Problem Display
PID: 146902 (1n1B4/8/2p1p1pq/R1N1P1NR/2PnBkP1/1r3p1P/2p1pQ1P/3bK3 w - - 0 1)
Papack, Daniel
2nd Prize, Schweizerische Schachzeitung, 2006-2007
#2
13 + 12
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Kxe5
- 2.Qg3#
- 1...Rb1
- 2.Sd3#
- 1...Rb2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.Qg3#
- 1...Rb4
- 2.Sd3#
- 1...Rb5
- 2.Sd3#
- 1...Rb6
- 2.Sd3#
- 1...Rb7
- 2.Sd3#
- 1...Sb5
- 2.Sgxe6#
- 1...Sf5
- 2.Scxe6#
- 1...Kxe5
- Tries
- 1.Bd5?
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qg3#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.Qg3#
- 1...Sb5
- 2.Sgxe6#
- 1...Sf5!
- threat
- 1.Bf5?
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qg3#
- 1...Sxf5
- 2.Scxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.Qg3#
- 1...Sb5!
- threat
- 1.Bxc6?
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qg3#
- 1...Sdxc6
- 2.Scxe6#
- 2.Sgxe6#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.Qg3#
- 1...Sb5
- 2.Sgxe6#
- 1...Sf5
- 2.Scxe6#
- 1...Sbxc6!
- threat
- 1.Bxg6?
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qg3#
- 1...Rd3
- 2.Sxd3#
- 1...Re3
- 2.Qg3#
- 1...Sb5
- 2.Sgxe6#
- 1...Sf5
- 2.Scxe6#
- 1...Qxg6!
- threat
- 1.Qxd4?
- threat
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bxc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 1...Qxg5
- 2.Sxe6#
- 2.Bxc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 2.Bxg5#
- 1...gxh5
- 2.Bxc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bg6#
- 2.Bh7#
- 1...c1Q
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 1...c1S
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 1...c1B
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 1...c1R
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bxf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bxg6#
- 1...Rd3
- 2.Sxd3#
- 2.Scxe6#
- 2.Sgxe6#
- 2.Bxd3#
- 1...Re3
- 2.Scxe6#
- 2.Sgxe6#
- 1...f2+!
- threat
- 1.Bd5?
- Keys
- 1.Bd3!
- threat
- 2.Qxd4#
- 1...Kxe5
- 2.Qg3#
- 1...Rxd3
- 2.Sxd3#
- 1...Sb5
- 2.Sgxe6#
- 1...Sf5
- 2.Scxe6#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- R(d);N_GUARD::S(I)
- R(d);N_GUARD::S(I),XR(d)
- R(d);SBLOCK::QAB1(B)
- S(f);N_GUARD::S(K),XP(i)
- S(f);N_GUARD::S(I),XP(i)
- Tries
- Try
- B(F);
- Threat
- QAR2(B),XS(f)
- Vars
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- R(d);N_GUARD::S(I),XR(d)
- R(d);SBLOCK::QAB1(B)
- S(f);N_GUARD::S(K),XP(i)
- Refutation
- S(f);
- Try
- B(F);
- Threat
- QAR2(B),XS(f)
- Vars
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- S(f);N_GUARD,XB(F)::S(I),XP(i)
- R(d);N_GUARD::S(I),XR(d)
- R(d);SBLOCK::QAB1(B)
- Refutation
- S(f);
- Try
- B(F);XP(h)
- Threat
- QAR2(B),XS(f)
- Vars
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- R(d);N_GUARD::S(I),XR(d)
- R(d);SBLOCK::QAB1(B)
- S(f);N_GUARD::S(K),XP(i)
- S(f);N_GUARD::S(I),XP(i)
- Refutation
- S(l);XB(F)
- Try
- B(F);XP(j)
- Threat
- QAR2(B),XS(f)
- Vars
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- R(d);N_GUARD::S(I),XR(d)
- R(d);SBLOCK::QAB1(B)
- S(f);N_GUARD::S(K),XP(i)
- S(f);N_GUARD::S(I),XP(i)
- Refutation
- Q(k);XB(F)
- Try
- Q(B);N_PINP(e),XS(f)
- Threat
- DUALS(9)
- Refutation
- P(e);CHECK
- Try
- Actual
- B(F);
- Threat
- QAR2(B),XS(f)
- Vars
- K(g);N_SPINP(e),S_FLIGHT,XP(J)::QAB(B)
- R(d);XB(F)::S(I),XR(d)
- S(f);N_GUARD::S(K),XP(i)
- S(f);N_GUARD::S(I),XP(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).