MESON Chess Problem Database
Problem Display
PID: 209337 (8/1p1N1p2/3p3b/1B3p1q/1Npkn2R/p4Q2/2KBn2r/2R2b2 w - - 0 1)
Visserman, Eeltje
Probleemblad, 1944
#2
8 + 13
SOLUTION
- SOUND
- Sets
- 1...Be3
- 2.Bxe3#
- 2.Qxe3#
- 1...Bg7
- 2.Be3#
- 2.Qe3#
- 1...Bf8
- 2.Be3#
- 2.Qe3#
- 1...Sxc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qe3#
- 1...c3
- 2.Qd3#
- 1...Be3
- Tries
- 1.Kb1?
- threat
- 2.Rxc4#
- 1...Sc3+
- 2.Bxc3#
- 2.Qxc3#
- 1...Sxc1
- 2.Bc3#
- 2.Qc3#
- 1...Sg1
- 2.Bc3#
- 2.Qc3#
- 1...Sg3
- 2.Bc3#
- 2.Qc3#
- 1...Sf4
- 2.Be3#
- 2.Qe3#
- 1...c3
- 2.Qd3#
- 1...d5
- 2.Sc2#
- 1...a2+!
- threat
- 1.Rd1?
- threat
- 2.Bc3#
- 2.Be3#
- 2.Bg5#
- 2.Bxh6#
- 1...Qxh4
- 2.Bc3#
- 2.Be3#
- 1...Rxh4
- 2.Bc3#
- 2.Be3#
- 1...Bxd2
- 2.Rxd2#
- 1...Qg4
- 2.Bc3#
- 2.Be3#
- 1...Qg5
- 2.Bc3#
- 2.Be3#
- 2.Bxg5#
- 1...Be3
- 2.Bc3#
- 2.Bxe3#
- 2.Qxe3#
- 1...Bf4
- 2.Bc3#
- 2.Be3#
- 1...Bg5
- 2.Bc3#
- 2.Be3#
- 2.Bxg5#
- 1...Bg7
- 2.Bc1#
- 2.Be1#
- 2.Bc3#
- 2.Be3#
- 2.Bg5#
- 2.Bh6#
- 2.Qe3#
- 1...Bf8
- 2.Bc1#
- 2.Be1#
- 2.Bc3#
- 2.Be3#
- 2.Bg5#
- 2.Bh6#
- 2.Qe3#
- 1...Sc1
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qe3#
- 1...c3
- 2.Bxc3#
- 2.Be3#
- 2.Bg5#
- 2.Bxh6#
- 2.Qd3#
- 1...f4
- 2.Bc3#
- 2.Be3#
- 1...Qxf3!
- threat
- 1.Qf2+?
- 1...Be3
- 2.Bxe3#
- 2.Qxe3#
- 1...Rxf2!
- 1...Be3
- 1.Kb1?
- Keys
- 1.Kd1!
- threat
- 2.Rxc4#
- 1...Sc3+
- 2.Bxc3#
- 1...Sxc1
- 2.Bc3#
- 1...Sg1
- 2.Bc3#
- 1...Sg3
- 2.Bc3#
- 1...Sf4
- 2.Be3#
- 1...c3
- 2.Qd3#
- 1...d5
- 2.Sc2#
- threat
- 1.Kd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(b);N_GUARD,P_PINB(C),XR(A)::QAB1(D)
- S(b);N_GUARD,P_PINB(C)::QAB1(D)
- S(b);N_GUARD,P_PINB(C)::QAB1(D),XS(b)
- S(b);N_SPINS(g),P_PINB(C),S_CUTB(k)::QAB1(D)
- P(e);N_GUARD::QAR1(D)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- R1(A),XP(e)
- Vars
- P(e);N_GUARD::QAR1(D)
- P(j);SBLOCK::S(E)
- Refutation
- P(d);CHECK
- Try
- R(A);
- Threat
- DUALS(4)
- Vars
- B(k);OGATE,P_SPINB(k),XB(C)::R(A),XB(k)
- S(b);N_GUARD,P_PINB(C)::QAB1(D)
- S(b);N_GUARD,P_PINB(C)::QAB1(D),XS(b)
- S(b);N_SPINS(g),P_PINB(C),S_CUTB(k)::QAB1(D)
- Refutation
- Q(i);XQ(D)
- Try
- Q(D);CHECK
- Refutation
- R(c);XQ(D)
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- R1(A),XP(e)
- Vars
- S(b);CHECK,N_GUARD,P_PINQ(D)::B(C),XS(b)
- S(b);N_GUARD,P_PINQ(D),XR(A)::B(C)
- S(b);N_GUARD,P_PINQ(D)::B(C)
- S(b);N_SPINS(g),P_PINQ(D),S_CUTB(k)::B(C)
- P(e);N_GUARD::QAR1(D)
- P(j);SBLOCK::S(E)
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).