MESON Chess Problem Database
Problem Display
PID: 21409 (n1K5/8/1p6/1B2B1p1/2N1p3/3kp3/n1qbNR2/1Q1R4 w - - 0 1)
Seilberger, Johann Joseph Petrus Adrianus
2nd Prize, Tijdschrift vd NSB, 1918
#2
8 + 9
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 1...exf2
- 2.Rxd2#
- 1...g4
- 2.Sf4#
- 1...Sc1
- Tries
- 1.Kb7?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...exf2
- 2.Rxd2#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sc7
- 2.Sb2#
- 1...Qxb1!
- threat
- 1.Kd7?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...exf2
- 2.Rxd2#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sc7
- 2.Sb2#
- 1...Qxb1!
- threat
- 1.Kb8?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...exf2
- 2.Rxd2#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sc7
- 2.Sb2#
- 1...Qxb1!
- threat
- 1.Kd8?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...exf2
- 2.Rxd2#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sc7
- 2.Sb2#
- 1...Qxb1!
- threat
- 1.Sc3?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Sxb6#
- 2.Sd6#
- 1...Sxc3
- 2.Sb2#
- 1...exf2
- 2.Rxd2#
- 1...Sc7
- 2.Sb2#
- 1...e2
- 2.Rxd2#
- 1...Qxb1!
- threat
- 1.Ba1?
- 1...exf2
- 2.Rxd2#
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sb2#
- 2.Se5#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 2.Se5#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...exf2
- 1.Bc3?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Se5#
- 2.Sxb6#
- 2.Sd6#
- 1...Sxc3
- 2.Sb2#
- 2.Se5#
- 1...exf2
- 2.Rxd2#
- 1...Sc7
- 2.Sb2#
- 2.Se5#
- 1...Qxb1!
- threat
- 1.Bf6?
- 1...exf2
- 2.Rxd2#
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 2.Se5#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 2.Se5#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...exf2
- 1.Bc7?
- threat
- 2.Sb2#
- 2.Sxd2#
- 2.Sa3#
- 2.Sa5#
- 2.Se5#
- 2.Sxb6#
- 2.Sd6#
- 1...Sxc7
- 2.Sb2#
- 2.Se5#
- 1...exf2
- 2.Rxd2#
- 1...Sc3
- 2.Sb2#
- 2.Se5#
- 1...Qxb1!
- threat
- 1.Bg7?
- 1...exf2
- 2.Rxd2#
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 2.Se5#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 2.Se5#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...exf2
- 1.Bh8?
- 1...exf2
- 2.Rxd2#
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 2.Se5#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 2.Se5#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...exf2
- 1.Rg2?
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...Sc1
- 1.Rh2?
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Sc1#
- 2.Sb2#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Sb2#
- 1...g4
- 2.Sf4#
- 1...Qxb1!
- 1...Sc1
- 1.Kb7?
- Keys
- 1.Bb2!
- 1...Qxb1
- 2.Sa3#
- 1...exf2
- 2.Rxd2#
- 1...Sc1
- 2.Sxc1#
- 1...Sc3
- 2.Se5#
- 1...Sb4
- 2.Sc1#
- 1...Sc7
- 2.Se5#
- 1...g4
- 2.Sf4#
- 1...Qxb1
- 1.Bb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(i);N_PINS(E)::B(F)+S(E),DCHECK
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- P(g);N_GUARD::S(C)
- Tries
- Try
- K(H);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(6)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(i);::B(F)+S(E),DCHECK
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- K(H);N_SPINS(E),S_FLIGHT
- Threat
- DUALS(6)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(i);::B(F)+S(E),DCHECK
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- K(H);N_SPINS(E),P-FLIGHT
- Threat
- DUALS(6)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(i);::B(F)+S(E),DCHECK
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- K(H);N_SPINS(E),P-FLIGHT
- Threat
- DUALS(6)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(i);::B(F)+S(E),DCHECK
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- S(C);N_SPINS(E)
- Threat
- DUALS(6)
- Vars
- S(a);XS(C)::B(F)+S(E),DCHECK
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(i);::B(F)+S(E),DCHECK
- P(e);N_GUARD::R1(B),XB(c)
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- B(G);
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- B(G);N_SPINS(E)
- Threat
- DUALS(7)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- B(G);
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- B(G);N_SPINS(E)
- Threat
- DUALS(7)
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- Refutation
- Q(b);N_SPINQ(b),XQ(A)
- Try
- B(G);
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- B(G);
- Vars
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- R(D);
- Vars
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(i);N_PINS(E)::B(F)+S(E),DCHECK
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- R(D);
- Vars
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(i);N_PINS(E)::B(F)+S(E),DCHECK
- P(g);N_GUARD::S(C)
- Refutation
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)
- Try
- Actual
- B(G);
- Vars
- Q(b);N_PINS(E),N_SPINQ(b),XQ(A)::B(F)+S(E)
- P(e);N_GUARD,XR(D)::R1(B),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_PINS(E)::B(F)+S(E),DCHECK
- S(a);N_GUARD::S(C)
- S(i);N_PINS(E)::B(F)+S(E),DCHECK
- P(g);N_GUARD::S(C)
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).