MESON Chess Problem Database
Problem Display
PID: 55890 (3R4/5p2/K1BB4/b1PNPpq1/2pk4/n2N1P2/QP1R1P2/6n1 w - - 0 1)
Visserman, Eeltje
3rd Prize, Zurcher Woche, 1963
(First published on Fri Jan 25 1963)
#2
13 + 8
| 254 | Stella Polaris | 1966 |
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.fxe3#
- 1...Qh4
- 2.S3b4#
- 1...Qf6
- 2.S3b4#
- 1...Qe7
- 2.S3b4#
- 1...Qxd8
- 2.S3b4#
- 1...Qg2
- 2.S3b4#
- 1...Qg3
- 2.S3b4#
- 1...Qg4
- 2.S3b4#
- 1...Qh5
- 2.S3b4#
- 1...Qg6
- 2.S3b4#
- 1...Qg7
- 2.S3b4#
- 1...Qg8
- 2.S3b4#
- 1...Bc3
- 2.bxc3#
- 1...Bb6
- 2.S3f4#
- 1...Bc7
- 2.S3f4#
- 1...Bxd8
- 2.S3f4#
- 1...f4
- 2.S3b4#
- 1...Qe3
- Tries
- 1.Se3?
- threat
- 2.Sb4#
- 1...Qxe3
- 2.Bc7#
- 1...Bxd2
- 2.Be7#
- 1...cxd3
- 2.Qd5#
- 1...Bc3
- 2.Be7#
- 1...Bb4
- 2.Sxb4#
- 2.Be7#
- 1...Sb1
- 2.Sc2#
- 2.Qxc4#
- 1...c3
- 2.Qd5#
- 1...Sxf3!
- threat
- 1.S5b4?
- threat
- 2.Sf4#
- 1...Qxd2
- 2.Bc7#
- 1...Bxb4
- 2.Be7#
- 1...cxd3
- 2.Rxd3#
- 2.Qd5#
- 1...Qe3
- 2.Bc7#
- 1...Qf4
- 2.Sxf4#
- 2.Bc7#
- 1...Sb1
- 2.Sc2#
- 1...c3
- 2.Qd5#
- 1...f4
- 2.Sc1#
- 2.Se1#
- 2.Sxf4#
- 1...Sxf3!
- threat
- 1.S5f4?
- threat
- 2.Sb4#
- 1...Qxf4
- 2.Bc7#
- 1...Bxd2
- 2.Be7#
- 1...Sxf3
- 2.Se2#
- 1...cxd3
- 2.Rxd3#
- 2.Qd5#
- 1...Bc3
- 2.Be7#
- 1...Bb4
- 2.Sxb4#
- 2.Be7#
- 1...c3
- 2.Qd5#
- 1...Sb1!
- threat
- 1.Sb6?
- threat
- 2.Be7#
- 1...Qxd8
- 2.Sb4#
- 1...Bxb6
- 2.Sf4#
- 1...cxd3
- 2.Qd5#
- 1...Qf6
- 2.Sb4#
- 1...Qe7
- 2.Sb4#
- 2.Bxe7#
- 1...Qg6
- 2.Sb4#
- 1...Qg8
- 2.Sb4#
- 2.Bf8#
- 1...Sb5
- 2.Qxc4#
- 1...Qh6!
- threat
- 1.Sf6?
- threat
- 2.Bc7#
- 1...Qxf6
- 2.Sb4#
- 1...Bxd8
- 2.Sf4#
- 1...cxd3
- 2.Qd5#
- 1...Qg8
- 2.Sb4#
- 1...Bc7
- 2.Sf4#
- 2.Bxc7#
- 1...Sb5!
- threat
- 1.Sc7?
- threat
- 2.Be7#
- 1...Qxd8
- 2.Sb4#
- 1...Bxc7
- 2.Sf4#
- 1...cxd3
- 2.Qd5#
- 1...Qf6
- 2.Sb4#
- 1...Qe7
- 2.Sb4#
- 2.Bxe7#
- 1...Qg6
- 2.Sb4#
- 1...Qg8
- 2.Sb4#
- 2.Bf8#
- 1...Sb5
- 2.Sxb5#
- 1...Qh6!
- threat
- 1.Se7?
- threat
- 2.Bc7#
- 1...Qxe7
- 2.Sb4#
- 1...Bxd8
- 2.Sf4#
- 1...cxd3
- 2.Qd5#
- 1...Qh6
- 2.Sxf5#
- 1...Qf6
- 2.Sb4#
- 1...Qg6
- 2.Sb4#
- 1...Qg8
- 2.Sb4#
- 2.Sxf5#
- 1...Bc7
- 2.Sf4#
- 2.Bxc7#
- 1...Sb5!
- threat
- 1.Se3?
- Keys
- 1.Sc3!
- threat
- 2.Sf4#
- 1...Qxd2
- 2.Bc7#
- 1...Bxc3
- 2.Be7#
- 1...Sxf3
- 2.Se2#
- 1...cxd3
- 2.Qd5#
- 1...Qe3
- 2.Bc7#
- 1...Qf4
- 2.Sxf4#
- 2.Bc7#
- 1...Sb1
- 2.Sb5#
- 1...f4
- 2.Sc1#
- 2.Se1#
- 2.Sb4#
- 2.Sxf4#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 15
- Sets
- Q(g);OGATE::P(D),XQ(g)
- Q(g);N_GUARD::R(C)+S(E)
- Q(g);N_GUARD,XR(M)::R(C)+S(E)
- B(e);OGATE::P(B),XB(e)
- B(e);N_GUARD::R(C)+S(E)
- B(e);N_GUARD,XR(M)::R(C)+S(E)
- P(f);S_CUTQ(g)::R(C)+S(E)
- Tries
- Try
- S(H);
- Threat
- R(C)+S(E)
- Vars
- Q(g);N_GUARD,XS(H)::R(M)+B(L)
- B(e);N_GUARD,XR(C)::R(M)+B(L)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- B(e);N_GUARD::R(M)+B(L)
- P(c);OGATE::QAR1(A)
- Refutation
- S(a);XP(F)
- Try
- S(H);
- Threat
- R(C)+S(E)
- Vars
- Q(g);N_GUARD,XR(C)::R(M)+B(L)
- B(e);N_GUARD,XS(H)::R(M)+B(L)
- Q(g);N_GUARD::R(M)+B(L)
- S(b);N_GUARD::S(H)
- P(c);OGATE::QAR1(A)
- Refutation
- S(a);XP(F)
- Try
- S(H);
- Threat
- R(C)+S(E)
- Vars
- Q(g);N_GUARD,XS(H)::R(M)+B(L)
- B(e);N_GUARD,XR(C)::R(M)+B(L)
- S(a);N_GUARD,XP(F)::S(H)
- B(e);N_GUARD::R(M)+B(L)
- P(c);OGATE::QAR1(A)
- Refutation
- S(b);
- Try
- S(H);
- Threat
- R(M)+B(L)
- Vars
- Q(g);N_GUARD,XR(M)::R(C)+S(E)
- B(e);N_GUARD,XS(H)::R(C)+S(E)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- Q(g);N_GUARD::R(C)+S(E)
- S(b);N_GUARD::QAR1(A),XP(c)
- Refutation
- Q(g);
- Try
- S(H);
- Threat
- R(M)+B(L)
- Vars
- Q(g);N_GUARD,XS(H)::R(C)+S(E)
- B(e);N_GUARD,XR(M)::R(C)+S(E)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- Q(g);N_GUARD::R(C)+S(E)
- Refutation
- S(b);
- Try
- S(H);
- Threat
- R(M)+B(L)
- Vars
- Q(g);N_GUARD,XR(M)::R(C)+S(E)
- B(e);N_GUARD,XS(H)::R(C)+S(E)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- Q(g);N_GUARD::R(C)+S(E)
- S(b);N_GUARD::S(H),XS(b)
- Refutation
- Q(g);
- Try
- S(H);
- Threat
- R(M)+B(L)
- Vars
- Q(g);N_GUARD,XS(H)::R(C)+S(E)
- B(e);N_GUARD,XR(M)::R(C)+S(E)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- Q(g);N_GUARD::S(H),XP(f)
- Q(g);N_GUARD::R(C)+S(E)
- Refutation
- S(b);
- Try
- Actual
- S(H);
- Threat
- R(C)+S(E)
- Vars
- Q(g);N_GUARD,XR(C)::R(M)+B(L)
- B(e);N_GUARD,XS(H)::R(M)+B(L)
- S(a);N_GUARD,XP(F)::S(H)
- P(c);OGATE,P_SPINP(c),XS(E)::QAR1(A)
- Q(g);N_GUARD::R(M)+B(L)
- S(b);N_GUARD::S(H)
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