MESON Chess Problem Database
Problem Display
PID: 6107 (B3R3/1R3pN1/2NP1P2/p2nB3/K3k3/2PpP1r1/5PP1/7Q w - - 0 1)
Hartong, Jan
Chemnitzer Tageblatt, 1927
#2
14 + 6
| 81 | Chess | 1956 |
SOLUTION
- SOUND
- Sets
- 1...Rxg2
- 2.Qxg2#
- 1...Rxe3
- 2.Qh7#
- 1...Rf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rg4
- 2.g3#
- 1...Rg5
- 2.g3#
- 2.g4#
- 1...Rg6
- 2.g3#
- 2.g4#
- 1...Rxg7
- 2.g4#
- 1...d2
- 2.Qb1#
- 1...Rxg2
- Tries
- 1.Sxa5?
- threat
- 2.Rb4#
- 1...Sb6+
- 2.Rxb6#
- 1...Rxg2
- 2.Qxg2#
- 1...Rxg7
- 2.g4#
- 1...Sb4
- 2.Rxb4#
- 1...Se7
- 2.Rbxe7#
- 1...d2
- 2.Qb1#
- 1...Sxc3+!
- threat
- 1.Sa7?
- 1...Sb6+
- 2.Rxb6#
- 1...Rxg2
- 2.Qxg2#
- 1...Rxe3
- 2.Qh7#
- 1...Rxg7
- 2.g4#
- 1...Sxe3
- 2.Rb4#
- 1...Sxf6
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sf4
- 2.Rb4#
- 1...Sc7
- 2.Rb4#
- 2.Rxc7#
- 1...Se7
- 2.Rbxe7#
- 1...d2
- 2.Qb1#
- 1...Rf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rg4
- 2.g3#
- 1...Rg5
- 2.g3#
- 2.g4#
- 1...Rg6
- 2.g3#
- 2.g4#
- 1...Sxc3+!
- 1...Sb6+
- 1.Sb8?
- 1...Sb6+
- 2.Rxb6#
- 1...Rxg2
- 2.Qxg2#
- 1...Rxe3
- 2.Qh7#
- 1...Rxg7
- 2.g4#
- 1...Sxe3
- 2.Rb4#
- 1...Sxf6
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sf4
- 2.Rb4#
- 1...Sc7
- 2.Rb4#
- 2.Rxc7#
- 1...Se7
- 2.Rbxe7#
- 1...d2
- 2.Qb1#
- 1...Rf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rg4
- 2.g3#
- 1...Rg5
- 2.g3#
- 2.g4#
- 1...Rg6
- 2.g3#
- 2.g4#
- 1...Sxc3+!
- 1...Sb6+
- 1.Sd8?
- 1...Sb6+
- 2.Rxb6#
- 1...Rxg2
- 2.Qxg2#
- 1...Rxe3
- 2.Qh7#
- 1...Rxg7
- 2.g4#
- 1...Sxe3
- 2.Rb4#
- 1...Sxf6
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sf4
- 2.Rb4#
- 1...Sc7
- 2.Rb4#
- 2.Rxc7#
- 1...Se7
- 2.Rbxe7#
- 1...d2
- 2.Qb1#
- 1...Rf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rg4
- 2.g3#
- 1...Rg5
- 2.g3#
- 2.g4#
- 1...Rg6
- 2.g3#
- 2.g4#
- 1...Sxc3+!
- 1...Sb6+
- 1.Rb4+?
- 1...Sxb4
- 2.Sxb4#
- 1...axb4!
- 1...Sxb4
- 1.f3+?
- 1...Kxe3
- 2.Qe1#
- 1...Rxf3!
- 1...Kxe3
- 1.Sxa5?
- Keys
- 1.Sb4!
- 1...Sxc3+
- 2.Bxc3#
- 1...Sb6+
- 2.Rxb6#
- 1...Rxg2
- 2.Qxg2#
- 1...Rxe3
- 2.Qh7#
- 1...Rxg7
- 2.g4#
- 1...Sxe3
- 2.Bxg3#
- 1...Sxb4
- 2.Rxb4#
- 1...Sxf6
- 2.Bxf6#
- 1...axb4
- 2.Rxb4#
- 1...Se7
- 2.Rbxe7#
- 1...Rf3
- 2.gxf3#
- 1...Rh3
- 2.gxh3#
- 1...Rg4
- 2.g3#
- 1...Rg5
- 2.g3#
- 2.g4#
- 1...Rg6
- 2.g3#
- 2.g4#
- 1...Sf4
- 2.Bxf4#
- 1...Sc7
- 2.Rxc7#
- 1...d2
- 2.Qb1#
- 1...Sxc3+
- 1.Sb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XP(E)::QAB(A)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- P(a);OGATEB::QAB(A)
- Tries
- Try
- S(H);XP(d)
- Threat
- R(K)
- Vars
- S(e);CHECK,OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- S(e);::B(M)+R(K),DCHECK,XS(e)
- S(e);OGATEB::B(M)+R(K),XS(e)
- P(a);OGATEB::QAB(A)
- Refutation
- S(e);CHECK,XP(D)
- Try
- S(H);
- Vars
- S(e);CHECK,OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XP(E)::QAB(A)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- S(e);XP(E)::B(M)+R(K),DCHECK
- S(e);XP(J)::B(M)+R(K),DCHECK
- S(e);::B(M)+R(K),DCHECK,XS(e)
- S(e);::B(M)+R(K),DCHECK
- S(e);OGATEB::B(M)+R(K),XS(e)
- P(a);OGATEB::QAB(A)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- Refutation
- S(e);CHECK,XP(D)
- Try
- S(H);
- Vars
- S(e);CHECK,OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XP(E)::QAB(A)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- S(e);XP(E)::B(M)+R(K),DCHECK
- S(e);XP(J)::B(M)+R(K),DCHECK
- S(e);::B(M)+R(K),DCHECK,XS(e)
- S(e);::B(M)+R(K),DCHECK
- S(e);OGATEB::B(M)+R(K),XS(e)
- P(a);OGATEB::QAB(A)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- Refutation
- S(e);CHECK,XP(D)
- Try
- S(H);
- Vars
- S(e);CHECK,OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XP(E)::QAB(A)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- S(e);XP(E)::B(M)+R(K),DCHECK
- S(e);XP(J)::B(M)+R(K),DCHECK
- S(e);::B(M)+R(K),DCHECK,XS(e)
- S(e);::B(M)+R(K),DCHECK
- S(e);OGATEB::B(M)+R(K),XS(e)
- P(a);OGATEB::QAB(A)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- Refutation
- S(e);CHECK,XP(D)
- Try
- R(K);CHECK
- Vars
- S(e);XR(K)::B(M)+S(H),XS(e)
- Refutation
- P(d);XR(K)
- Try
- P(B);CHECK
- Vars
- K(c);P-FLIGHT,XP(E)::QAR2(A)
- Refutation
- R(b);XP(B)
- Try
- Actual
- S(H);
- Vars
- S(e);CHECK,OGATE,XP(D)::R(N)+B(G),XS(e)
- S(e);CHECK,OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE,P_SPINR(b),XP(C)::QAB(A),XR(b)
- R(b);N_GUARD,XP(E)::QAB(A)
- R(b);OGATE,XS(L)::QAB(A)+P(C)
- S(e);N_GUARD,XP(E)::R(N)+B(G),XR(b)
- S(e);OGATE,XS(H)::B(M)+R(K),DCHECK,XS(e)
- S(e);OGATE,XP(J)::R(N)+B(G),XS(e)
- P(d);OGATE,XS(H)::R(K),XP(d)
- S(e);OGATEB::B(M)+R(K),XS(e)
- R(b);OGATE::P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C),XR(b)
- R(b);OGATE::QAB(A)+P(C)
- S(e);N_GUARD::R(N)+B(G),XS(e)
- P(a);OGATEB::QAB(A)
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).