MESON Chess Problem Database
Problem Display
PID: 155203 (1BB2N2/r1r1p1Pp/p2n4/R2bk1P1/5p2/1PP1bP2/KN1Pq3/1Q2R3 w - - 0 1)
Verhoef, J
Match: Denmark - Netherlands, 1936
#2
14 + 11
| 4035 | Aarsskrift for DSK | 1936 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sd3#
- 1...Qf1
- 2.d4#
- 1...Qd3
- 2.Sxd3#
- 1...Qxf3
- 2.d4#
- 1...Qb5
- 2.d4#
- 1...Qxe1
- 2.Sd3#
- 1...Qf2
- 2.Sd3#
- 2.d4#
- 1...Qg2
- 2.Sd3#
- 2.d4#
- 1...Qh2
- 2.Sd3#
- 2.d4#
- 1...Rxc3
- 2.Qe4#
- 1...Rc4
- 2.Qf5#
- 1...Rc5
- 2.Qf5#
- 1...Rc6
- 2.Qe4#
- 2.Qf5#
- 1...Rb7
- 2.Qe4#
- 2.Qf5#
- 1...Rd7
- 2.Qe4#
- 1...Rxc8
- 2.Qe4#
- 1...Bg1
- 2.Sd3#
- 1...Bxd2
- 2.Sd3#
- 1...Bf2
- 2.Sd3#
- 1...Bd4
- 2.Sd3#
- 1...Bc5
- 2.Sd3#
- 1...Bb6
- 2.Sd3#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Qd1
- Tries
- 1.Sd7+?
- 1...Rxd7
- 2.Qe4#
- 1...Ke6!
- 1...Rxd7
- 1.Bxc7?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Qxf3
- 2.Sc4#
- 2.Qf5#
- 2.d4#
- 1...Bxd2
- 2.Sd3#
- 2.Sc4#
- 2.Qf5#
- 1...Qd3
- 2.Sxd3#
- 1...Qc4
- 2.Sxc4#
- 2.Qf5#
- 1...Qb5
- 2.Qf5#
- 2.d4#
- 1...Bg1
- 2.Sd3#
- 2.Sc4#
- 2.Qf5#
- 1...Bf2
- 2.Sd3#
- 2.Sc4#
- 2.Qf5#
- 1...Bd4
- 2.Sd3#
- 2.Sc4#
- 2.Qf5#
- 1...Bc5
- 2.Sd3#
- 2.Qf5#
- 1...Bb6
- 2.Sd3#
- 2.Sc4#
- 2.Qf5#
- 1...e6
- 2.Sd7#
- 2.Qe4#
- 1...Rxc7!
- threat
- 1.Rxe2?
- threat
- 2.Sd3#
- 2.d4#
- 1...Rxc3
- 2.Qe4#
- 1...Rxc8
- 2.Qe4#
- 2.d4#
- 1...Sxc8
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Se4
- 2.Sc4#
- 1...Sf5
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sf7
- 2.Sc4#
- 1...Se8
- 2.Sc4#
- 1...Rc4
- 2.Sd3#
- 2.Sxc4#
- 2.Qf5#
- 1...Rd7
- 2.Sc4#
- 2.Qe4#
- 2.d4#
- 1...e6
- 2.d4#
- 1...Sb5!
- threat
- 1.Sd7+?
- Keys
- 1.Qg6!
- threat
- 2.Qe6#
- 1...Rxc3
- 2.Qe4#
- 1...hxg6
- 2.Sxg6#
- 1...Qb5
- 2.d4#
- 1...Rc5
- 2.Qf5#
- 1...Bc5
- 2.Sd3#
- 1...Sb5
- 2.Sd7#
- 1...e6
- 2.Qxe6#
- 2.Qf6#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD,N_SPINB(d),P_SPINB(b)::S(D)
- Q(a);N_SPINB(d),P_SPINB(b)::P(E)
- Q(a);N_GUARD,N_SPINB(d),P_SPINB(b)::S(D),XQ(a)
- Q(a);N_SPINB(d),P_SPINB(b),XP(H)::P(E)
- Q(a);N_GUARD,XR(B)::S(D)
- R(i);P_SPINS(g),XP(G)::QAR1(A)
- R(i);N_PINP(F),P_SPINS(g)::QAR1(A)
- R(i);N_SPINB(d),P_SPINS(g)::QAR1(A)
- R(i);P_SPINS(g)::QAR1(A)
- R(i);P_SPINS(g),XB(M)::QAR1(A)
- B(b);P_SPINQ(a)::S(D)
- B(b);P_SPINQ(a),XP(E)::S(D)
- B(b);N_SPINB(d),P_SPINQ(a)::S(D)
- P(k);N_GUARD::S(N)
- Tries
- Try
- S(N);CHECK
- Vars
- R(i);P_SPINS(g),XS(N)::QAR1(A)
- Refutation
- K(e);N_SPINB(d),P-FLIGHT
- Try
- B(L);P_PINS(g),XR(i)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,N_SPINB(d),P_SPINB(b)::S(D),XQ(a)
- Refutation
- R(h);N_SPINS(g),XB(L)
- Try
- R(B);N_PINB(d),P_PINB(b),XQ(a)
- Threat
- DUALS(2)
- Vars
- R(i);P_SPINS(g),XP(G)::QAR1(A)
- S(g);N_GUARD,P_SPINR(i),XB(M)::S(D)
- S(g);N_GUARD,N_PINP(F),P_SPINR(i)::S(D),XS(g)
- S(g);N_GUARD,N_SPINB(b),P_SPINB(d),P_SPINR(i)::S(D)
- S(g);N_GUARD,P_SPINR(i)::S(D)
- P(j);::P(E)
- Refutation
- S(g);P_SPINR(i)
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- R(i);P_SPINS(g),XP(G)::QAR1(A)
- P(k);XQ(A)::S(N),XP(k)
- Q(a);N_SPINB(d),P_SPINB(b)::P(E)
- R(i);N_SPINB(d),P_SPINS(g)::QAR1(A)
- B(b);N_SPINB(d),P_SPINQ(a)::S(D)
- S(g);N_SPINB(d),P_SPINR(i)::S(N)
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).