MESON Chess Problem Database
Problem Display
PID: 181222 (8/b3r3/nP1Bp1pq/1B1k1P2/1P1N1P2/3NKp2/p1pR4/4Q2r w - - 0 1)
Vandemeulebroucke, Ignaas
1st HM., Gazeta Czestochowska, 1977
#2
11 + 11
| 15611 | Schaak-composities 1975-1979 (de Vuyst) | 1982 |
SOLUTION
- SOUND
- Tries
- 1.Sxc2?
- threat
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Qxf4+
- 2.Sxf4#
- 1...Rxe1+
- 2.Sdxe1#
- 1...Bxb6+
- 2.Sc5#
- 1...Kxd6
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Sxb4
- 2.Sdxb4#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...Qg7
- 2.Se5#
- 1...Qh2
- 2.Sf2#
- 1...Qh8
- 2.Se5#
- 1...Rh2
- 2.Sf2#
- 1...Sc5
- 2.Sxc5#
- 1...f2
- 2.Sc1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sc5#
- 2.Se5#
- 1...e5
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sxe5#
- 1...exf5+!
- threat
- 1.Se2?
- threat
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Qxf4+
- 2.Sdxf4#
- 1...Bxb6+
- 2.Sc5#
- 1...Kxd6
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Sxb4
- 2.Sxb4#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...c1Q
- 2.Sdxc1#
- 1...c1S
- 2.Sdxc1#
- 1...c1B
- 2.Sdxc1#
- 1...c1R
- 2.Sdxc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Qg7
- 2.Se5#
- 1...Qh8
- 2.Se5#
- 1...Sc5
- 2.Sxc5#
- 1...f2
- 2.Sdc1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sc5#
- 2.Se5#
- 1...e5
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sxe5#
- 1...exf5+!
- threat
- 1.Sb3?
- threat
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sdc5#
- 2.Se5#
- 1...Qxf4+
- 2.Sxf4#
- 1...Rxe1+
- 2.Sxe1#
- 1...Bxb6+
- 2.Sdc5#
- 1...Kxd6
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sdc5#
- 2.Se5#
- 1...Sxb4
- 2.Sxb4#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...c1Q
- 2.Sdxc1#
- 1...c1S
- 2.Sdxc1#
- 1...c1B
- 2.Sdxc1#
- 1...c1R
- 2.Sdxc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sdc5#
- 2.Se5#
- 1...Qg7
- 2.Se5#
- 1...Qh2
- 2.Sf2#
- 1...Qh8
- 2.Se5#
- 1...Rh2
- 2.Sf2#
- 1...Sc5
- 2.Sdxc5#
- 1...f2
- 2.Sdc1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sdc5#
- 2.Se5#
- 1...e5
- 2.Sdc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sdc5#
- 2.Sxe5#
- 1...exf5+!
- threat
- 1.Sxf3?
- threat
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Qxf4+
- 2.Sxf4#
- 1...Rxe1+
- 2.Sdxe1#
- 1...Bxb6+
- 2.Sc5#
- 1...Kxd6
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Sxb4
- 2.Sxb4#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...c1Q
- 2.Sxc1#
- 1...c1S
- 2.Sxc1#
- 1...c1B
- 2.Sxc1#
- 1...c1R
- 2.Sxc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Qg7
- 2.Sde5#
- 1...Qh2
- 2.Sf2#
- 1...Qh8
- 2.Sde5#
- 1...Rh2
- 2.Sf2#
- 1...Sc5
- 2.Sxc5#
- 1...e5
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sdxe5#
- 1...exf5+!
- threat
- 1.Sc6?
- threat
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Qxf4+
- 2.Sxf4#
- 1...Rxe1+
- 2.Sxe1#
- 1...Bxb6+
- 2.Sc5#
- 1...Kxd6
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Sxb4
- 2.Sdxb4#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...c1Q
- 2.Sxc1#
- 1...c1S
- 2.Sxc1#
- 1...c1B
- 2.Sxc1#
- 1...c1R
- 2.Sxc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sde5#
- 1...Qg7
- 2.Sde5#
- 1...Qh2
- 2.Sf2#
- 1...Qh8
- 2.Sde5#
- 1...Rh2
- 2.Sf2#
- 1...Sc5
- 2.Sxc5#
- 1...f2
- 2.Sc1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sc5#
- 2.Sde5#
- 1...e5
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Sdxe5#
- 1...exf5+!
- threat
- 1.Bc6+?
- 1...Kc4
- 2.Rxc2#
- 1...Kxd6!
- 1...Kc4
- 1.Sxc2?
- Keys
- 1.Sxe6!
- threat
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Qxf4+
- 2.Sxf4#
- 1...Rxe1+
- 2.Sxe1#
- 1...Rxe6+
- 2.Se5#
- 1...Bxb6+
- 2.Sc5#
- 1...Kxd6
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Sxb4
- 2.Sxb4#
- 1...gxf5
- 2.Sc5#
- 1...a1Q
- 2.Sb2#
- 1...a1B
- 2.Sb2#
- 1...c1Q
- 2.Sxc1#
- 1...c1S
- 2.Sxc1#
- 1...c1B
- 2.Sxc1#
- 1...c1R
- 2.Sxc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sc5#
- 2.Se5#
- 1...Qg7
- 2.Se5#
- 1...Qh2
- 2.Sf2#
- 1...Qh8
- 2.Se5#
- 1...Rh2
- 2.Sf2#
- 1...Sc5
- 2.Sxc5#
- 1...f2
- 2.Sc1#
- 2.Sb2#
- 2.Sxf2#
- 2.Sc5#
- 2.Se5#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);XP(c)
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- R(a);CHECK,XQ(A)::R(B)+S(C),XR(a)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(b);::R(B)+S(C)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- R(a);::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
- Refutation
- P(g);CHECK,XP(I)
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(b);::R(B)+S(C)
- P(c);P_PINR(B)::R(B)+S(C),XQ(c)
- P(c);::R(B)+S(C),XS(c)
- P(c);P_PINR(B)::R(B)+S(C),XB(c)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
- Refutation
- P(g);CHECK,XP(I)
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- R(a);CHECK,XQ(A)::R(B)+S(C),XR(a)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(b);::R(B)+S(C)
- P(c);P_PINR(B)::R(B)+S(C),XQ(c)
- P(c);::R(B)+S(C),XS(c)
- P(c);P_PINR(B)::R(B)+S(C),XB(c)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- R(a);::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
- Refutation
- P(g);CHECK,XP(I)
- Try
- S(F);XP(d)
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- R(a);CHECK,XQ(A)::R(B)+S(C),XR(a)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(b);::R(B)+S(C)
- P(c);P_PINR(B)::R(B)+S(C),XQ(c)
- P(c);::R(B)+S(C),XS(c)
- P(c);P_PINR(B)::R(B)+S(C),XB(c)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- R(a);::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
- Refutation
- P(g);CHECK,XP(I)
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- R(a);CHECK,XQ(A)::R(B)+S(C),XR(a)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(b);::R(B)+S(C)
- P(c);P_PINR(B)::R(B)+S(C),XQ(c)
- P(c);::R(B)+S(C),XS(c)
- P(c);P_PINR(B)::R(B)+S(C),XB(c)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- R(a);::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
- Refutation
- P(g);CHECK,XP(I)
- Try
- B(H);CHECK
- Vars
- K(e);S_FLIGHT::R(B),XP(c)
- Refutation
- K(e);P-FLIGHT,XB(K)
- Try
- Actual
- S(F);P_SPINS(F),XP(g)
- Threat
- DUALS(5)
- Vars
- Q(i);CHECK,P_PINP(J),XP(G)::R(B)+S(C),DCHECK,XQ(i)
- R(a);CHECK,XQ(A)::R(B)+S(C),XR(a)
- R(k);CHECK,XS(F)::R(B)+S(C)
- B(j);CHECK,XP(J)::R(B)+S(C)
- S(f);XP(E)::R(B)+S(C),DCHECK,XS(f)
- P(h);XP(I)::R(B)+S(C)
- P(b);::R(B)+S(C)
- P(c);P_PINR(B)::R(B)+S(C),XQ(c)
- P(c);::R(B)+S(C),XS(c)
- P(c);P_PINR(B)::R(B)+S(C),XB(c)
- Q(i);N_PINP(G),P_PINP(J)::R(B)+S(C)
- R(a);::R(B)+S(C)
- S(f);::R(B)+S(C),XS(f)
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).