MESON Chess Problem Database
Problem Display
PID: 277221 (nBR5/npP1N3/rk1P4/p7/p1P5/Qq6/1R1PK1B1/8 w - - 0 1)
Teune, JJ
Probleemblad, 1954
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- Tries
- 1.Ke1?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 2.c5#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Kf1?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Kf2?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 2.c5#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Bh1?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Bf3?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Be4?
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Bc6?
- threat
- 2.c5#
- 1...Sxc6
- 2.Sd5#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...bxc6!
- threat
- 1.Rxb3+?
- 1...Sb5
- 2.Rxb5#
- 2.c5#
- 1...axb3!
- 1...Sb5
- 1.Rd8?
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.Sc8#
- 2.c5#
- 2.c8S#
- 1...Sc6
- 2.Sd5#
- 2.Sc8#
- 2.c8S#
- 1...Sc8
- 2.Sxc8#
- 1...Qxb2!
- 1...Sxc7
- 1.Re8?
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.Sc8#
- 2.c5#
- 2.c8S#
- 1...Sc6
- 2.Sd5#
- 2.Sc8#
- 2.c8S#
- 1...Sc8
- 2.Sxc8#
- 1...Qxb2!
- 1...Sxc7
- 1.Rf8?
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.Sc8#
- 2.c5#
- 2.c8S#
- 1...Sc6
- 2.Sd5#
- 2.Sc8#
- 2.c8S#
- 1...Sc8
- 2.Sxc8#
- 1...Qxb2!
- 1...Sxc7
- 1.Rg8?
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.Sc8#
- 2.c5#
- 2.c8S#
- 1...Sc6
- 2.Sd5#
- 2.Sc8#
- 2.c8S#
- 1...Sc8
- 2.Sxc8#
- 1...Qxb2!
- 1...Sxc7
- 1.Rh8?
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.Sc8#
- 2.c5#
- 2.c8S#
- 1...Sc6
- 2.Sd5#
- 2.Sc8#
- 2.c8S#
- 1...Sc8
- 2.Sxc8#
- 1...Qxb2!
- 1...Sxc7
- 1.d7?
- 1...Sxc8
- 2.Sxc8#
- 2.dxc8S#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb2!
- 1...Sxc8
- 1.Ke1?
- Keys
- 1.Rb1!
- 1...Qxb1
- 2.Qe3#
- 1...Sxc8
- 2.Sxc8#
- 1...Sxc7
- 2.Bxc7#
- 1...Qb4
- 2.Qe3#
- 1...Qb2
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Sb5
- 2.c5#
- 1...Sc6
- 2.Sd5#
- 1...Qxb1
- 1.Rb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE,P_PINP(B)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- K(C);S_FLIGHT
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),XR(A)
- Try
- K(C);P-FLIGHT
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- B(D);
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- B(D);
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- B(D);
- Vars
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- B(D);
- Threat
- P(F)
- Vars
- S(f);SBLOCK,XB(D)::S(I)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- Refutation
- P(g);XB(D)
- Try
- R(A);CHECK,XQ(a)
- Refutation
- P(b);XR(A)
- Try
- R(K);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- R(K);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- R(K);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- R(K);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- R(K);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- P(G);
- Vars
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(I)
- Refutation
- Q(a);N_SPINQ(a),P_PINP(B),XR(A)
- Try
- Actual
- R(A);
- Vars
- Q(a);N_SPINQ(a),OGATE,XR(A)::QAB(E)
- S(f);XR(K)::S(I),XS(f)
- S(h);OGATE,XP(H)::B(J),XS(h)
- Q(a);OGATE::QAB(E)
- Q(a);OGATE,P_PINP(B)::QAB(E)
- Q(a);OGATE,P_PINP(F)::QAB(E)
- S(f);N_SPINQ(a),SBLOCK::P(F)
- S(f);SBLOCK::S(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).