MESON Chess Problem Database
Problem Display
PID: 17943 (5nQ1/3r4/2p2pp1/R7/K1N1kB2/2PN2R1/5Pn1/1B1r1q2 w - - 0 1)
Visserman, Eeltje
2nd Prize, Die Schwalbe, 1952/II
#2
10 + 9
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.f3#
- 1...Qg1
- 2.f3#
- 1...Qh1
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...Rc1
- 2.Sd2#
- 1...Re1
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd6
- 2.Sxd6#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Se1
- 2.Re3#
- 1...Se3
- 2.Rxe3#
- 1...Sxf4
- 2.Sc5#
- 2.Re3#
- 1...Sh4
- 2.Re3#
- 1...Se6
- 2.Qxe6#
- 1...Sh7
- 2.Qe6#
- 1...f5
- 2.Re5#
- 1...Qe1
- Tries
- 1.Bc1?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxc1
- 2.Sd2#
- 1...R7xd3
- 2.Sd6#
- 1...c5
- 2.Sxc5#
- 1...Rd2
- 2.Sxd2#
- 1...Rf7
- 2.Sd6#
- 1...Se3
- 2.Rxe3#
- 1...Se6
- 2.Qxe6#
- 1...R1xd3!
- threat
- 1.Bd2?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxd2
- 2.Sxd2#
- 1...Rxd3
- 2.Sd6#
- 1...c5
- 2.Sxc5#
- 1...Rf7
- 2.Sd6#
- 1...Se3
- 2.Rxe3#
- 1...Se6
- 2.Qxe6#
- 1...Rxb1!
- threat
- 1.Be3?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...R1xd3
- 2.Sd2#
- 1...R7xd3
- 2.Sd6#
- 1...Sxe3
- 2.Rxe3#
- 1...c5
- 2.Sxc5#
- 1...Rf7
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- 1...Rxb1!
- threat
- 1.Bd6?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...Rxd3
- 2.Sd2#
- 1...Rxd6
- 2.Sxd6#
- 1...c5
- 2.Sxc5#
- 1...Se6
- 2.Qxe6#
- 1...Rf7!
- threat
- 1.Bh6?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...R1xd3
- 2.Sd2#
- 1...R7xd3
- 2.Sd6#
- 1...c5
- 2.Sxc5#
- 1...Rf7
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- 1...g5!
- threat
- 1.Bc7?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...R1xd3
- 2.Sd2#
- 1...Rxc7
- 2.Sd6#
- 1...c5
- 2.Sxc5#
- 1...Rd6
- 2.Sxd6#
- 1...Rf7
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- 1...R7xd3!
- threat
- 1.Bb8?
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...R1xd3
- 2.Sd2#
- 1...c5
- 2.Sxc5#
- 1...Rd6
- 2.Sxd6#
- 1...Rc7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- 1...R7xd3!
- threat
- 1.Qxg6+?
- 1...f5
- 2.Re5#
- 2.Qxf5#
- 1...Sxg6!
- 1...f5
- 1.Bc1?
- Keys
- 1.Bg5!
- threat
- 2.Sc5#
- 1...Qxd3
- 2.f3#
- 1...Rxb1
- 2.Sd2#
- 1...R1xd3
- 2.Sd2#
- 1...R7xd3
- 2.Sd6#
- 1...fxg5
- 2.Re5#
- 1...c5
- 2.Sxc5#
- 1...Rf7
- 2.Sd6#
- 1...Se6
- 2.Qxe6#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 18
- Sets
- Q(b);N_GUARD::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD::S(G)
- R(a);N_GUARD::S(G),XR(a)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD,P_PINR(I)::S(G)
- R(h);N_GUARD::S(G)
- S(c);N_GUARD::R1(E)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAR2(J),XS(i)
- S(i);N_GUARD::QAR2(J)
- P(f);N_GUARD::R1(I)
- Tries
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(H)::S(G)
- R(h);N_GUARD,P_SPINR(h),XS(D)::S(G)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(a);N_GUARD::S(G),XR(a)
- R(h);N_GUARD::S(G)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(a);P_SPINR(a),XS(D)
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);XB(H)::S(G),XR(a)
- R(h);N_GUARD,P_SPINR(h),XS(D)::S(G)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G)
- S(c);N_GUARD::R1(E),XS(c)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(a);XB(A)
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- R(h);N_GUARD,P_SPINR(h),XS(D)::S(G)
- S(c);OGATE,XB(H)::R1(E),XS(c)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(a);XB(A)
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- R(h);XB(H)::S(G),XR(h)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(h);
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- R(h);N_GUARD,P_SPINR(h),XS(D)::S(G)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- P(g);
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- R(h);N_GUARD,XB(H)::S(G)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(h);P_SPINR(h),XS(D)
- Try
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G),XR(h)
- R(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR2(J),XS(i)
- Refutation
- R(h);P_SPINR(h),XS(D)
- Try
- Q(J);CHECK,XP(g)
- Refutation
- S(i);XQ(J)
- Try
- Actual
- B(H);
- Threat
- B(A)+S(D),DCHECK
- Vars
- Q(b);N_GUARD,P_SPINQ(b),XS(D)::P(B)
- R(a);N_GUARD,XB(A)::S(G)
- R(a);N_GUARD,P_SPINR(a),XS(D)::S(G)
- R(h);N_GUARD,P_SPINR(h),XS(D)::S(G)
- P(f);N_GUARD,XB(H)::R1(I)
- P(e);::B(A)+S(D),DCHECK,XP(e)
- R(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR2(J),XS(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).