MESON Chess Problem Database
Problem Display
PID: 21410 (5b1B/1Q1p3P/1nrpN2P/2p2kpK/p5N1/R4pP1/5P1n/4R3 w - - 0 1)
Hartong, Jan
1st HM., Tijdschrift vd NSB, 1918/II
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Bxh6
- 2.Sxh6#
- 1...Be7
- 2.Sg7#
- 1...Bg7
- 2.Sxg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sxg4
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...dxe6
- 2.Qf7#
- 1...Rc7
- Tries
- 1.Sxh2?
- threat
- 2.Rxf3#
- 2.g4#
- 1...dxe6
- 2.Rxf3#
- 2.Qf7#
- 1...Bg7
- 2.Rxf3#
- 1...Sd5
- 2.Qb1#
- 2.g4#
- 1...g4!
- threat
- 1.Se3+?
- 1...Ke4
- 2.Sxg5#
- 1...Kxe6!
- 1...Ke4
- 1.Sxc5?
- threat
- 2.Se3#
- 1...Rxc5
- 2.Qe4#
- 1...Sxg4
- 2.Rxf3#
- 1...dxc5
- 2.Re5#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 2.Qxd7#
- 1...Sd5
- 2.Qb1#
- 2.Qxd7#
- 1...Bg7!
- threat
- 1.Sxg5?
- threat
- 2.Se3#
- 1...Sxg4
- 2.Rxf3#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 2.Qxd7#
- 1...Sd5
- 2.Qb1#
- 2.Qxd7#
- 1...Bg7!
- threat
- 1.Sxf8?
- 1...Sxg4
- 2.Rxf3#
- 1...Rc7
- 2.Se3#
- 2.Qe4#
- 1...Rc8
- 2.Se3#
- 2.Qe4#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 2.Qxd7#
- 1...Sd5
- 2.Qb1#
- 2.Qxd7#
- 1...Sa8
- 2.Qb1#
- 2.Qxd7#
- 1...Sc8
- 2.Qb1#
- 2.Qxd7#
- 1...d5
- 2.Re5#
- 1...c4!
- 1...Sxg4
- 1.Bd4?
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...cxd4
- 2.Sxd4#
- 1...dxe6
- 2.Qf7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be7
- 2.Sg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...d5
- 2.Re5#
- 1...c4!
- 1...Bxh6
- 1.Bg7?
- 1...Bxg7
- 2.Sxg7#
- 1...Sxg4
- 2.Rxf3#
- 1...dxe6
- 2.Qf7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...Be7!
- 1...Bxg7
- 1.Re2?
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...dxe6
- 2.Qf7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be7
- 2.Sg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...fxe2!
- 1...Bxh6
- 1.Rc3?
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...dxe6
- 2.Qf7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be7
- 2.Sg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...a3!
- 1...Bxh6
- 1.Rae3?
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...dxe6
- 2.Qf7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be7
- 2.Sg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...a3!
- 1...Bxh6
- 1.Qa6?
- threat
- 2.Qd3#
- 1...c4
- 2.Sd4#
- 1...Sc4!
- threat
- 1.Qxc6?
- threat
- 2.Qe4#
- 1...Sd5
- 2.Qxd5#
- 1...d5
- 2.Re5#
- 1...dxc6!
- threat
- 1.Qxd7?
- threat
- 2.Sd4#
- 2.Sg7#
- 2.Qf7#
- 1...Sxg4
- 2.Sd4#
- 2.Rxf3#
- 1...Rc7
- 2.Sd4#
- 2.Sg7#
- 1...Be7
- 2.Sd4#
- 2.Sg7#
- 1...Bg7
- 2.Sd4#
- 2.Sxg7#
- 1...Sd5
- 2.Sd4#
- 2.Sf4#
- 2.Sxc5#
- 2.Sxg5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sxf8#
- 1...Sxd7!
- threat
- 1.Qb8?
- threat
- 2.Qxf8#
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...Be7
- 2.Sg7#
- 1...Bg7
- 2.Sxg7#
- 1...Sd5
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...Rc8!
- threat
- 1.Sxh2?
- Keys
- 1.Ba1!
- 1...Bxh6
- 2.Sxh6#
- 1...Sxg4
- 2.Rxf3#
- 1...dxe6
- 2.Qf7#
- 1...Bg7
- 2.Sxg7#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Be7
- 2.Sg7#
- 1...Sf1
- 2.Rxf3#
- 1...Sc4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...c4
- 2.Sd4#
- 1...d5
- 2.Re5#
- 1...Bxh6
- 1.Ba1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);OGATE::QAB1(I)
- B(k);XP(H)::S(E),XB(k)
- B(k);N_GUARD::S(G)
- B(k);N_GUARD::S(G),XB(k)
- S(a);N_GUARD::R(C),XP(b)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(A)
- P(j);OGATE,XS(G)::QAR2(I)
- Tries
- Try
- S(E);XS(a)
- Threat
- DUALS(2)
- Vars
- B(k);::R(C),XP(b)
- Refutation
- P(f);
- Try
- S(E);CHECK
- Vars
- K(e);P_SPINR(h),S_FLIGHT::S(G),XP(f)
- Refutation
- K(e);S_FLIGHT,XS(G)
- Try
- S(G);XP(d)
- Threat
- S(E)
- Vars
- R(h);OGATE,XS(G)::QAB1(I)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(i);N_GUARD,XS(G)::R1(A)
- S(a);N_GUARD::R(C),XP(b)
- Refutation
- B(k);
- Try
- S(G);XP(f)
- Threat
- S(E)
- Vars
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- S(a);N_GUARD::R(C),XP(b)
- Refutation
- B(k);
- Try
- S(G);XB(k)
- Vars
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- S(a);N_GUARD::R(C),XP(b)
- P(i);N_GUARD::R1(A)
- Refutation
- P(d);
- Try
- B(K);
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(d);XB(K)::S(G),XP(d)
- P(j);OGATE,XS(G)::QAR2(I)
- B(k);N_GUARD::S(G),XB(k)
- R(h);OGATE::QAB1(I)
- B(k);N_GUARD::S(G)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(i);N_GUARD::R1(A)
- Refutation
- P(d);
- Try
- B(K);
- Vars
- B(k);XB(K)::S(G),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(j);OGATE,XS(G)::QAR2(I)
- R(h);OGATE::QAB1(I)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(A)
- Refutation
- B(k);
- Try
- R(A);
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(j);OGATE,XS(G)::QAR2(I)
- B(k);N_GUARD::S(G),XB(k)
- R(h);OGATE::QAB1(I)
- B(k);N_GUARD::S(G)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(A)
- Refutation
- P(b);XR(A)
- Try
- R(C);
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(j);OGATE,XS(G)::QAR2(I)
- B(k);N_GUARD::S(G),XB(k)
- R(h);OGATE::QAB1(I)
- B(k);N_GUARD::S(G)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(A)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(j);OGATE,XS(G)::QAR2(I)
- B(k);N_GUARD::S(G),XB(k)
- R(h);OGATE::QAB1(I)
- B(k);N_GUARD::S(G)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(C)
- Refutation
- P(c);
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- P(d);N_GUARD::S(G)
- Refutation
- S(g);
- Try
- Q(I);XR(h)
- Threat
- QAB1(I)
- Vars
- S(g);N_GUARD::QAR2(I),XS(g)
- P(i);N_GUARD::R1(A)
- Refutation
- P(j);XQ(I)
- Try
- Q(I);XP(j)
- Threat
- DUALS(3)
- Refutation
- S(g);XQ(I)
- Try
- Q(I);
- Threat
- QAR(I),XB(k)
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- B(k);N_GUARD::S(G)
- B(k);N_GUARD::S(G),XB(k)
- S(g);OGATE::QAB(I)
- Refutation
- R(h);
- Try
- Actual
- B(K);
- Vars
- B(k);XP(H)::S(E),XB(k)
- S(a);N_GUARD,XS(E)::R(C),XP(b)
- P(j);OGATE,XS(G)::QAR2(I)
- B(k);N_GUARD::S(G),XB(k)
- R(h);OGATE::QAB1(I)
- B(k);N_GUARD::S(G)
- S(a);N_GUARD::R(C),XP(b)
- S(g);OGATE::QAB(I)
- P(d);N_GUARD::S(G)
- P(i);N_GUARD::R1(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).