MESON Chess Problem Database
Problem Display
PID: 11391 (7B/p1ppRrr1/Rq3k2/3p1BN1/1Q5P/2p1N3/8/6Kn w - - 0 1)
Haring, Jacobus
1st Prize, Elk Wat Wils Wedstrijd, 1938
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf8
- 2.Bxg7#
- 1...Sg3
- 2.Sh7#
- 1...c6
- 2.Qd6#
- 1...d6
- 2.Re6#
- 1...Rf8
- Tries
- 1.Bb1?
- 1...Qxa6
- 2.Sg4#
- 2.Sxd5#
- 1...Rxe7
- 2.Qf4#
- 1...Qd6
- 2.Sxd5#
- 1...Qe6
- 2.Sg4#
- 1...c5
- 2.Sxd5#
- 1...d6
- 2.Re6#
- 1...Qc6
- 2.Sg4#
- 2.Sxd5#
- 1...Rf8
- 2.Bxg7#
- 1...Sf2
- 2.Sxd5#
- 1...Sg3
- 2.Sh7#
- 1...d4
- 2.Sg4#
- 2.Sd5#
- 1...c6
- 2.Qd6#
- 1...c2!
- 1...Qxa6
- 1.Bd3?
- 1...Qxa6
- 2.Sg4#
- 2.Sxd5#
- 1...Rxe7
- 2.Qf4#
- 1...Qd6
- 2.Sxd5#
- 1...Qe6
- 2.Sg4#
- 1...c5
- 2.Sxd5#
- 1...d6
- 2.Re6#
- 1...Qc6
- 2.Sg4#
- 2.Sxd5#
- 1...Rf8
- 2.Bxg7#
- 1...Sf2
- 2.Sxd5#
- 1...Sg3
- 2.Sh7#
- 1...d4
- 2.Sg4#
- 2.Sd5#
- 1...c6
- 2.Qd6#
- 1...c2!
- 1...Qxa6
- 1.Rxb6+?
- 1...cxb6
- 2.Qd6#
- 1...c6
- 2.Qd6#
- 1...d6
- 2.Re6#
- 1...axb6!
- 1...cxb6
- 1.Re8?
- threat
- 2.Qd4#
- 1...Re7
- 2.Qxe7#
- 1...d4
- 2.Qxd4#
- 1...c6
- 2.Qd6#
- 1...d6
- 2.Re6#
- 1...c5!
- threat
- 1.Qf4?
- threat
- 2.Rxf7#
- 2.Qe5#
- 1...Rxe7
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bh7#
- 1...Qe6
- 2.Sxd5#
- 2.Rxf7#
- 1...Rf8
- 2.Qe5#
- 1...d6
- 2.Re6#
- 2.Rxf7#
- 1...Kxe7!
- threat
- 1.Bb1?
- Keys
- 1.Bc2!
- 1...Qxa6
- 2.Sg4#
- 2.Sxd5#
- 1...Rxe7
- 2.Qf4#
- 1...Qd6
- 2.Sxd5#
- 1...Qe6
- 2.Sg4#
- 1...c5
- 2.Sxd5#
- 1...d6
- 2.Re6#
- 1...Qc6
- 2.Sg4#
- 2.Sxd5#
- 1...Rf8
- 2.Bxg7#
- 1...Sf2
- 2.Sxd5#
- 1...Sg3
- 2.Sh7#
- 1...d4
- 2.Sg4#
- 2.Sd5#
- 1...c6
- 2.Qd6#
- 1...Qxa6
- 1.Bc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::B(I),XR(j)
- S(a);::S(F)
- P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::QAR2(C)
- P(h);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(H)
- Tries
- Try
- B(E);
- Vars
- R(i);SBLOCK,XR(H)::QAR2(C)
- Q(d);N_PINS(B),P_PINS(F)::S(B),XP(c)
- Q(d);N_PINS(B),P_PINS(F)::S(B)
- P(g);N_PINS(B),P_PINS(F)::S(B),XP(c)
- P(h);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(H)
- R(i);N_GUARD::B(I),XR(j)
- S(a);N_PINS(B),P_PINS(F)::S(B),XP(c)
- S(a);::S(F)
- P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::QAR2(C)
- Refutation
- P(b);
- Try
- B(E);
- Vars
- R(i);SBLOCK,XR(H)::QAR2(C)
- Q(d);N_PINS(B),P_PINS(F)::S(B),XP(c)
- Q(d);N_PINS(B),P_PINS(F)::S(B)
- P(g);N_PINS(B),P_PINS(F)::S(B),XP(c)
- P(h);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(H)
- R(i);N_GUARD::B(I),XR(j)
- S(a);N_PINS(B),P_PINS(F)::S(B),XP(c)
- S(a);::S(F)
- P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::QAR2(C)
- Refutation
- P(b);
- Try
- R(G);CHECK,N_SPINS(B),P_SPINS(F),XQ(d)
- Vars
- P(g);N_GUARD,XR(G)::QAR2(C)
- P(g);N_GUARD,P_SPINP(g)::QAR2(C)
- P(h);N_GUARD,P_SPINP(h)::R1(H)
- Refutation
- P(f);XR(G)
- Try
- R(H);
- Threat
- QAB(C)
- Vars
- R(i);N_GUARD::QAB1(C),XR(i)
- P(c);N_PINS(B),P_PINS(F)::QAB(C),XP(c)
- P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::QAR2(C)
- P(h);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(H)
- Refutation
- P(g);N_PINS(B),P_PINS(F)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(i);::QAB1(C)
- Refutation
- K(e);N_SPINQ(d),N_SPINR(j),S_FLIGHT,XR(H)
- Try
- Actual
- B(E);
- Vars
- R(i);SBLOCK,XR(H)::QAR2(C)
- Q(d);N_PINS(B),P_PINS(F)::S(B),XP(c)
- Q(d);N_PINS(B),P_PINS(F)::S(B)
- P(g);N_PINS(B),P_PINS(F)::S(B),XP(c)
- P(h);N_GUARD,N_SPINQ(d),S_CUTQ(d)::R1(H)
- R(i);N_GUARD::B(I),XR(j)
- S(a);N_PINS(B),P_PINS(F)::S(B),XP(c)
- S(a);::S(F)
- P(g);N_GUARD,N_SPINQ(d),S_CUTQ(d)::QAR2(C)
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).