MESON Chess Problem Database
Problem Display
PID: 52490 (5B2/8/2p1P3/KbpkpQ2/pr6/1PR2N2/1r1P1b2/3Rq2B w - - 0 1)
Prins, Hendrik
Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1986-1987
#2
10 + 10
| 5110 | Bekroonde Problemen | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Qxe5#
- 1...Qxd1
- 2.Qxe5#
- 1...Qf1
- 2.Qxe5#
- 1...Qg1
- 2.Qxe5#
- 1...Qxh1
- 2.Qxe5#
- 1...Rd4
- 2.Rxc5#
- 1...Be3
- 2.Qxe5#
- 1...Bg3
- 2.Rxc5#
- 1...Bd4
- 2.Sxe1#
- 1...Bh4
- 2.Rxc5#
- 1...Be2
- 2.Qxe5#
- 1...Qxd2
- Tries
- 1.Sxe1+?
- 1...Kd4
- 2.Bxc5#
- 2.Qe4#
- 2.Qxf2#
- 1...Re4!
- 1...Kd4
- 1.Sd4+?
- 1...Kxd4
- 2.Bxc5#
- 1...Qe4
- 2.Qxe4#
- 1...Qxh1!
- 1...Kxd4
- 1.Rxe1?
- threat
- 2.Rxe5#
- 2.Qxe5#
- 1...Bxe1
- 2.Rxc5#
- 2.Qxe5#
- 1...Be3
- 2.Qxe5#
- 1...Bg3
- 2.Rxc5#
- 1...Bd4
- 2.Sg1#
- 2.Sh2#
- 2.Sh4#
- 2.Sxe5#
- 2.Sg5#
- 1...Be2
- 2.Qxe5#
- 1...Re4!
- threat
- 1.Rd3+?
- 1...Rd4
- 2.Sxe1#
- 1...Bd4
- 2.Sxe1#
- 1...Bxd3!
- 1...Rd4
- 1.Sxe1+?
- Keys
- 1.d4!
- threat
- 2.Sxe1#
- 2.Rxc5#
- 1...Qxc3
- 2.Qxe5#
- 1...Qxd1
- 2.Rxc5#
- 2.Qxe5#
- 1...Qxh1
- 2.Rxc5#
- 2.Qxe5#
- 1...R4xb3
- 2.Sxe1#
- 1...Rxd4
- 2.Sxe1#
- 1...Bxd4
- 2.Rxc5#
- 1...cxd4
- 2.Sxe1#
- 2.Rc5#
- 1...Qe4
- 2.Rxc5#
- 1...Qd2
- 2.Rxc5#
- 2.Qxe5#
- 1...Qf1
- 2.Rxc5#
- 2.Qxe5#
- 1...Qg1
- 2.Sxg1#
- 2.Rxc5#
- 2.Qxe5#
- 1...Qe2
- 2.Rxc5#
- 1...Qe3
- 2.Rxc5#
- 1...Rc2
- 2.Sxe1#
- 1...Rd2
- 2.Rxc5#
- 1...Re2
- 2.Rxc5#
- 1...Rc4
- 2.Sxe1#
- 1...Bg1
- 2.Rxc5#
- 1...Be3
- 2.Rxc5#
- 2.Qxe5#
- 1...Bg3
- 2.Rxc5#
- 1...Bh4
- 2.Rxc5#
- 1...Bf1
- 2.Rxc5#
- 1...Be2
- 2.Rxc5#
- 2.Qxe5#
- 1...Bd3
- 2.Rxc5#
- 1...Bc4
- 2.Sxe1#
- 1...c4
- 2.Sxe1#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 14
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD,P_SPINQ(a),XP(C)::QAR1(H),XP(i)
- Q(a);N_GUARD,XR(A)::QAR1(H),XP(i)
- Q(a);N_GUARD::QAR1(H),XP(i)
- Q(a);N_GUARD,XB(B)::QAR1(H),XP(i)
- R(e);S_CUTB(c)::R1(E),XP(g)
- B(c);S_CUTQ(a)::QAR1(H),XP(i)
- B(c);N_GUARD::R1(E),XP(g)
- B(c);SBLOCK,S_CUTR(e)::B(B)+S(F),XQ(a)
- B(f);S_CUTQ(a)::QAR1(H),XP(i)
- Tries
- Try
- S(F);CHECK,XQ(a)
- Refutation
- R(e);P_SPINR(e)
- Try
- S(F);CHECK
- Vars
- K(h);N_SPINP(i),P-FLIGHT,XS(F)::B(J),XP(g)
- Q(a);N_GUARD,P_SPINQ(a)::QAB1(H),XQ(a)
- Refutation
- Q(a);XB(B)
- Try
- R(A);XQ(a)
- Threat
- DUALS(2)
- Vars
- B(c);::QAR1(H),XP(i)
- B(c);N_GUARD::R1(E),XP(g)
- B(f);::QAR1(H),XP(i)
- Refutation
- R(e);
- Try
- R(E);CHECK
- Vars
- R(e);P_PINP(C),P_SPINR(e)::B(B)+S(F),XQ(a)
- B(c);P_SPINB(c)::B(B)+S(F),XQ(a)
- Refutation
- B(f);XR(E)
- Try
- Actual
- P(C);
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XR(E)::QAR1(H),XP(i)
- R(e);P_PINR(E),XP(D)::B(B)+S(F),XQ(a)
- R(e);P_PINR(E),P_SPINR(e),XP(C)::B(B)+S(F),XQ(a)
- B(c);P_SPINB(c),XP(C)::R1(E),XP(g)
- Q(a);::R1(E),XP(g)
- R(b);::B(B)+S(F),XQ(a)
- R(b);::R1(E),XP(g)
- R(e);P_PINR(E)::B(B)+S(F),XQ(a)
- B(c);::R1(E),XP(g)
- B(f);::R1(E),XP(g)
- B(f);::B(B)+S(F),XQ(a)
- P(g);::B(B)+S(F),XQ(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).