MESON Chess Problem Database
Problem Display
PID: 60725 (1n3K2/6P1/3P3Q/2N1kp1p/pn1Rpp2/4qB1r/bB3N1r/4R3 w - - 0 1)
Visserman, Eeltje
1st Prize, Fink MT, 1970
#2
10 + 12
| 3751 | FIDE Album (1968-1970) | 1977 |
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Rxd2#
- 1...Qxe1
- 2.Rd2#
- 1...Qe2
- 2.Rd2#
- 1...Qd3
- 2.Rxd3#
- 1...Qxf3
- 2.Rd3#
- 1...Bb1
- 2.Qe6#
- 1...Bd5
- 2.Rxe4#
- 1...Be6
- 2.Qxe6#
- 1...Sd5
- 2.Rxe4#
- 2.Qe6#
- 1...Sa6
- 2.Sd7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7+
- 2.Sxd7#
- 1...exf3
- 2.Rdd1#
- 2.Rd2#
- 2.Rd3#
- 1...Qd2
- Tries
- 1.Sg4+?
- 1...fxg4
- 2.Qg5#
- 1...hxg4!
- 1...fxg4
- 1.Scd3+?
- 1...Qxd3
- 2.Rxd3#
- 1...exd3
- 2.Rxd3#
- 2.Rxb4#
- 2.Rc4#
- 2.Rxf4#
- 2.Rd5#
- 1...Sxd3!
- 1...Qxd3
- 1.Bxe4?
- threat
- 2.Rd5#
- 1...Sd7+
- 2.Sxd7#
- 1...Qxd4
- 2.Bf3#
- 1...Qxe4
- 2.Rd3#
- 1...fxe4
- 2.Qg5#
- 1...Bd5
- 2.Rxd5#
- 1...Sd5
- 2.Rxd5#
- 2.Qe6#
- 1...Qc3!
- threat
- 1.Rxe3?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rdd3#
- 1...Sd7+
- 2.Sxd7#
- 1...Rxf2
- 2.Rd2#
- 1...Sc2
- 2.Sfd3#
- 2.Scd3#
- 1...Sd3
- 2.Sfxd3#
- 2.Scxd3#
- 2.Rdxd3#
- 1...Sd5
- 2.Sfd3#
- 2.Scd3#
- 2.Rdxe4#
- 2.Qe6#
- 1...S4c6
- 2.Sfd3#
- 2.Scd3#
- 1...S8c6
- 2.Sd7#
- 1...a3!
- threat
- 1.Rdd1+?
- 1...Qc3
- 2.Bxc3#
- 1...Qd4!
- 1...Qc3
- 1.Rd2+?
- 1...Qc3
- 2.Bxc3#
- 1...Qd4!
- 1...Qc3
- 1.Rc4+?
- 1...Qd4
- 2.Qe6#
- 1...Qc3
- 2.Qe6#
- 1...Kd5!
- 1...Qd4
- 1.d7?
- threat
- 2.Qd6#
- 1...Sxd7+
- 2.Sxd7#
- 1...Bd5
- 2.Rxe4#
- 1...Be6
- 2.Qxe6#
- 1...Sd5
- 2.Rxe4#
- 2.Qe6#
- 1...Qxd4!
- threat
- 1.g8Q?
- threat
- 2.Rxe4#
- 2.Rd5#
- 2.Qhg7#
- 2.Qhh8#
- 2.Qgg7#
- 2.Qgh8#
- 1...Sd7+
- 2.Sxd7#
- 1...Bxg8
- 2.Qg7#
- 2.Qh8#
- 1...exf3
- 2.Rdd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rxb4#
- 2.Rc4#
- 2.Re4#
- 2.Rxf4#
- 2.Rd5#
- 2.Qhg7#
- 2.Qhh8#
- 2.Qgg7#
- 2.Qgh8#
- 1...Qc3
- 2.Qhg7#
- 2.Qhh8#
- 2.Qgg7#
- 2.Qgh8#
- 1...Rg2
- 2.Rxe4#
- 2.Rd5#
- 1...Rg3
- 2.Rxe4#
- 2.Rd5#
- 1...Bd5
- 2.Rxe4#
- 2.Rxd5#
- 2.Qgg7#
- 2.Qgh8#
- 1...Be6
- 2.Qhg7#
- 2.Qgxe6#
- 2.Qhxe6#
- 2.Qhh8#
- 2.Qgg7#
- 2.Qgh8#
- 1...Bf7
- 2.Qhg7#
- 2.Qhh8#
- 2.Qgg7#
- 2.Qgh8#
- 1...Sd5
- 2.Rxe4#
- 2.Rxd5#
- 2.Qge6#
- 2.Qhe6#
- 1...Qxd4!
- threat
- 1.g8S?
- threat
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Sd7+
- 2.Sxd7#
- 1...Bxg8
- 2.Qg7#
- 2.Qh8#
- 1...Rg2
- 2.Qf6#
- 1...Rg3
- 2.Qf6#
- 1...Bd5
- 2.Rxe4#
- 2.Qf6#
- 1...Sd5
- 2.Rxe4#
- 2.Qe6#
- 1...Qxd4!
- threat
- 1.g8B?
- threat
- 2.Rxe4#
- 2.Rd5#
- 2.Qg7#
- 2.Qh8#
- 1...Sd7+
- 2.Sxd7#
- 1...Bxg8
- 2.Qg7#
- 2.Qh8#
- 1...exf3
- 2.Rdd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rxb4#
- 2.Rc4#
- 2.Re4#
- 2.Rxf4#
- 2.Rd5#
- 2.Qg7#
- 2.Qh8#
- 1...Qc3
- 2.Qg7#
- 2.Qh8#
- 1...Rg2
- 2.Rxe4#
- 2.Rd5#
- 1...Rg3
- 2.Rxe4#
- 2.Rd5#
- 1...Bd5
- 2.Rxe4#
- 2.Rxd5#
- 1...Be6
- 2.Qg7#
- 2.Qxe6#
- 2.Qh8#
- 1...Bf7
- 2.Qg7#
- 2.Qh8#
- 1...Sd5
- 2.Rxe4#
- 2.Rxd5#
- 2.Qe6#
- 1...Qxd4!
- threat
- 1.Sg4+?
- Keys
- 1.Sfxe4!
- threat
- 2.Qf6#
- 1...Sd7+
- 2.Sxd7#
- 1...Qxd4
- 2.Sf2#
- 1...Qxe4
- 2.Rd2#
- 1...fxe4
- 2.Qg5#
- 1...Sd5
- 2.Qe6#
- threat
- 1.Sfxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- Q(c);N_GUARD,P_SPINP(g)::B(B)+R(E),XQ(c)
- Q(c);N_GUARD,XR(A)::B(B)+R(E)
- Q(c);N_GUARD::B(B)+R(E)
- Q(c);N_GUARD,P_SPINP(g),XB(D)::B(B)+R(E)
- B(a);N_GUARD::QAR1(H)
- B(a);SBLOCK::B(B)+R(E),DCHECK,XP(g)
- B(a);N_GUARD::QAR1(H),XB(a)
- S(l);N_GUARD::S(F)
- S(l);CHECK,N_GUARD::S(F),XS(l)
- Tries
- Try
- S(C);CHECK
- Vars
- P(j);S_CUTP(k),XS(C)::QAR2(H)
- Refutation
- P(k);XS(C)
- Try
- S(F);CHECK
- Vars
- Q(c);OGATE,P_SPINP(g),XS(F)::B(B)+R(E),XQ(c)
- Refutation
- S(f);XS(F)
- Try
- B(D);XP(g)
- Threat
- B(B)+R(E),DCHECK
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- Q(c);OGATEB,P_SPINQ(c),XR(E)::R(A)+B(D)
- Q(c);N_GUARD,P_SPINQ(c),XB(D)::B(B)+R(E)
- P(j);OGATEB,XB(D)::QAR2(H)
- B(a);::B(B)+R(E),DCHECK,XB(a)
- Refutation
- Q(c);
- Try
- R(A);P_PINP(g),XQ(c)
- Threat
- DUALS(3)
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- R(b);XS(C)::B(B)+R(E)
- S(l);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- R(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINP(g),P_SPINQ(c)::B(B),XQ(c)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c)
- Try
- R(E);CHECK
- Vars
- Q(c);N_GUARD,P_SPINP(g),P_SPINQ(c)::B(B),XQ(c)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c)
- Try
- R(E);CHECK
- Vars
- Q(c);P_SPINP(g),P_SPINQ(c)::QAR1(H)
- Refutation
- K(i);P-FLIGHT,P_SPINP(g)
- Try
- P(G);
- Threat
- QAB1(H)
- Vars
- S(l);CHECK,XP(G)::S(F),XS(l)
- B(a);SBLOCK::B(B)+R(E),DCHECK,XP(g)
- B(a);N_GUARD::QAR1(H),XB(a)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c),XR(E)
- Try
- P(I);
- Threat
- DUALS(6)
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c),XR(E)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- R(b);::QAB1(H)
- R(d);::QAB1(H)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c),XR(E)
- Try
- P(I);
- Threat
- DUALS(4)
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- Refutation
- Q(c);P_SPINP(g),P_SPINQ(c),XR(E)
- Try
- Actual
- S(C);XP(g)
- Threat
- QAB1(H)
- Vars
- S(l);CHECK,N_GUARD::S(F),XS(l)
- Q(c);P_SPINQ(c),XR(E)::R(A)+S(C)
- Q(c);N_GUARD,P_SPINQ(c),XS(C)::B(B)+R(E)
- P(j);OGATEB,XS(C)::QAR2(H)
- S(f);S_CUTB(a)::QAR1(H)
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).