MESON Chess Problem Database
Problem Display
PID: 145145 (7q/4b3/n1rP1Ppp/1nPk2N1/2pPN3/2P2BB1/bK1R1Pr1/8 w - - 0 1)
Plesnivy, Emil
Evening Standard, 1930
#2
12 + 11
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qxf6
- 2.Sxf6#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxg3
- 2.Sxg3#
- 1...Rxc5
- 2.Sxc5#
- 1...Rxd6
- 2.Sxd6#
- 1...Bxd6
- 2.Sxd6#
- 1...Bxf6
- 2.Sxf6#
- 1...Sxc3
- 2.Sxc3#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sxc5#
- 1...hxg5
- 2.Sxg5#
- 1...Qxf6
- Tries
- 1.Bf4?
- threat
- 2.Sg3#
- 1...Rxf2
- 2.Sxf2#
- 1...Rxg5
- 2.Sxg5#
- 1...Sxc3
- 2.Sxc3#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sxc5#
- 1...hxg5
- 2.Sxg5#
- 1...Rg3
- 2.Sxg3#
- 1...Bb1!
- threat
- 1.Rd1?
- threat
- 2.Sd2#
- 1...Rxf2+
- 2.Sxf2#
- 1...Qxf6
- 2.Sxf6#
- 1...Rxg3
- 2.Sxg3#
- 1...Sxc3
- 2.Sxc3#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sxc5#
- 1...hxg5
- 2.Sxg5#
- 1...Bb1!
- threat
- 1.Bf4?
- Keys
- 1.Rd3!
- threat
- 2.Sd2#
- 1...Rxf2+
- 2.Sxf2#
- 1...Qxf6
- 2.Sxf6#
- 1...Rxg3
- 2.Sxg3#
- 1...Sxc3
- 2.Sxc3#
- 1...Sxd4
- 2.Rxd4#
- 1...Sxd6
- 2.Sxd6#
- 1...Sxc5
- 2.Sxc5#
- 1...hxg5
- 2.Sxg5#
- threat
- 1.Rd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(k);XP(L)::B(E)+S(H),DCHECK,XQ(k)
- R(b);P_PINR(B),XP(C)::B(E)+S(H),XR(b)
- R(b);XB(F)::B(E)+S(H),XR(b)
- R(g);XP(I)::B(E)+S(H),XR(g)
- R(g);XP(K)::B(E)+S(H),XR(g)
- B(j);XP(K)::B(E)+S(H),XB(j)
- B(j);XP(L)::B(E)+S(H),DCHECK,XB(j)
- S(d);XP(D)::B(E)+S(H),DCHECK,XS(d)
- S(d);OGATE,P_SPINS(d),XP(G)::R1(B),XS(d)
- S(d);XP(K)::B(E)+S(H),XS(d)
- S(f);XP(I)::B(E)+S(H),XS(f)
- P(i);XS(J)::B(E)+S(H),XP(i)
- Tries
- Try
- B(F);
- Threat
- B(E)+S(H)
- Vars
- R(b);P_PINR(B),XP(C)::B(E)+S(H),XR(b)
- R(b);XS(J)::B(E)+S(H),XR(b)
- S(d);XP(D)::B(E)+S(H),DCHECK,XS(d)
- S(d);OGATE,P_SPINS(d),XP(G)::R1(B),XS(d)
- S(d);XP(K)::B(E)+S(H),XS(d)
- S(f);XP(I)::B(E)+S(H),XS(f)
- P(i);XS(J)::B(E)+S(H),XP(i)
- R(b);::B(E)+S(H),XR(b)
- Refutation
- B(a);
- Try
- R(B);P_SPINP(C)
- Threat
- B(E)+S(H)
- Vars
- R(b);CHECK,XP(C)::B(E)+S(H),XR(b)
- Q(k);XP(L)::B(E)+S(H),DCHECK,XQ(k)
- R(b);N_PINP(C),XB(F)::B(E)+S(H),XR(b)
- S(d);XP(D)::B(E)+S(H),DCHECK,XS(d)
- S(d);OGATE,P_SPINS(d),XP(G)::R1(B),XS(d)
- S(d);XP(K)::B(E)+S(H),XS(d)
- S(f);XP(I)::B(E)+S(H),XS(f)
- P(i);XS(J)::B(E)+S(H),XP(i)
- Refutation
- B(a);
- Try
- Actual
- R(B);P_SPINP(C)
- Threat
- B(E)+S(H)
- Vars
- R(b);CHECK,XP(C)::B(E)+S(H),XR(b)
- Q(k);XP(L)::B(E)+S(H),DCHECK,XQ(k)
- R(b);N_PINP(C),XB(F)::B(E)+S(H),XR(b)
- S(d);XP(D)::B(E)+S(H),DCHECK,XS(d)
- S(d);OGATE,P_SPINS(d),XP(G)::R1(B),XS(d)
- S(d);XP(K)::B(E)+S(H),XS(d)
- S(f);XP(I)::B(E)+S(H),XS(f)
- P(i);XS(J)::B(E)+S(H),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).