MESON Chess Problem Database
Problem Display
PID: 147625 (K3N3/4R2B/p5r1/3ppb2/Rb1nk2B/3p4/n2PpQP1/3N2q1 w - - 0 1)
Wielgos, Oskar
1st Prize, Bottroper Schachzeitung, 1937
#2
10 + 12
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qe3#
- 1...Qxd1
- 2.Qe3#
- 1...Qe1
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qh1
- 2.Qe3#
- 1...Qxg2
- 2.Qe3#
- 1...Rxg2
- 2.Sf6#
- 1...Rg3
- 2.Sf6#
- 1...Rg4
- 2.Sf6#
- 1...Rg5
- 2.Sf6#
- 1...Rf6
- 2.Sxf6#
- 1...Rg7
- 2.Sf6#
- 1...Bxd2
- 2.Rxd4#
- 2.Qf3#
- 1...Ba3
- 2.Rxd4#
- 2.Qf3#
- 1...Bc3
- 2.Qf3#
- 1...Ba5
- 2.Rxd4#
- 2.Qf3#
- 1...Bc5
- 2.Qf3#
- 1...Bd6
- 2.Rxd4#
- 2.Qf3#
- 1...Bxe7
- 2.Qf3#
- 1...Bh3
- 2.Sf6#
- 1...Bg4
- 2.Sf6#
- 1...Be6
- 2.Sf6#
- 1...Bd7
- 2.Sf6#
- 1...Bc8
- 2.Sf6#
- 1...Se6
- 2.Sd6#
- 1...Qh2
- Tries
- 1.Sc3+?
- 1...Bxc3
- 2.Qf3#
- 1...Sxc3!
- 1...Bxc3
- 1.Sd6+?
- 1...Bxd6
- 2.Rxd4#
- 2.Qf3#
- 1...Rxd6!
- 1...Bxd6
- 1.Bg3?
- threat
- 2.Rxe5#
- 2.Qf4#
- 1...Qxf2
- 2.Sxf2#
- 2.Rxe5#
- 1...Rxg3
- 2.Sf6#
- 1...Bxd2
- 2.Rxd4#
- 2.Rxe5#
- 2.Qf3#
- 1...Bxe7
- 2.Qf3#
- 1...Qf1
- 2.Rxe5#
- 2.Qe3#
- 1...Rg4
- 2.Sf6#
- 2.Rxe5#
- 1...Bd6
- 2.Rxd4#
- 2.Qf3#
- 2.Qf4#
- 1...Be6
- 2.Sf6#
- 1...Sf3
- 2.gxf3#
- 1...Sc6
- 2.Qf4#
- 1...Se6
- 2.Sd6#
- 1...Re6!
- threat
- 1.Rxb4?
- threat
- 2.Rxd4#
- 2.Qf3#
- 1...Qxg2
- 2.Rxd4#
- 2.Qe3#
- 1...Rxg2
- 2.Sd6#
- 2.Sf6#
- 2.Bxf5#
- 2.Rxd4#
- 2.Qxf5#
- 1...Sxb4
- 2.Sc3#
- 1...exd1Q
- 2.Rxd4#
- 1...exd1B
- 2.Rxd4#
- 1...e1S
- 2.Rxd4#
- 1...Qf1
- 2.Rxd4#
- 2.Qe3#
- 2.Qxd4#
- 1...Rg3
- 2.Sd6#
- 2.Sf6#
- 2.Bxf5#
- 2.Rxd4#
- 2.Qxf5#
- 1...Re6
- 2.Bxf5#
- 2.Qf3#
- 2.Qxf5#
- 1...Bg4
- 2.Sd6#
- 2.Sf6#
- 2.Rxd4#
- 1...Be6
- 2.Sd6#
- 2.Sf6#
- 2.Qf3#
- 1...Qxf2!
- threat
- 1.Sc3+?
- Keys
- 1.Bg5!
- threat
- 2.Qf4#
- 1...Qxf2
- 2.Sxf2#
- 1...Rxg5
- 2.Sf6#
- 1...Bxd2
- 2.Rxd4#
- 2.Qf3#
- 1...Bxe7
- 2.Qf3#
- 1...Qh2
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Re6
- 2.Qh4#
- 1...Be6
- 2.Sf6#
- 1...Sf3
- 2.gxf3#
- 1...Se6
- 2.Sd6#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 15
- Sets
- Q(a);N_GUARD::QAR1(C)
- Q(a);N_GUARD,XS(A)::QAR1(C)
- Q(a);N_GUARD,XP(D)::QAR1(C)
- R(l);N_GUARD,P_SPINB(j),XP(D)::S(J)
- R(l);N_GUARD,P_SPINB(j)::S(J)
- R(l);N_GUARD,P_SPINB(j)::S(J),XR(l)
- B(e);P_SPINS(f)::QAB1(C)
- B(e);N_SPINP(i),P_SPINS(f),XR(G)::QAB1(C)
- B(j);P_SPINR(l)::S(J)
- B(j);N_SPINP(i),P_SPINR(l)::S(J)
- S(f);N_SPINP(i),P_SPINB(e),S_CUTR(l)::S(J)
- Tries
- Try
- S(A);CHECK
- Vars
- B(e);P_SPINS(f),XS(A)::QAB1(C)
- Refutation
- S(b);XS(A)
- Try
- S(J);CHECK
- Refutation
- R(l);P_SPINB(j),XS(J)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(l);N_GUARD,P_SPINB(j),XB(F)::S(J)
- B(e);N_SPINP(i),P_SPINS(f),XR(G)::QAB1(C)
- B(j);N_SPINP(i),P_SPINR(l)::S(J)
- S(f);OGATE,P_SPINB(e)::P(D),XS(f)
- S(f);P_SPINB(e)::QAR1(C)
- S(f);N_SPINP(i),P_SPINB(e),S_CUTR(l)::S(J)
- Refutation
- R(l);N_SPINP(i),P_SPINB(j)
- Try
- R(E);P_PINS(f),XB(e)
- Threat
- DUALS(2)
- Vars
- S(b);N_GUARD,N_SPINS(f),XR(E)::S(A)
- P(c);XS(A)::R1(E),XS(f)
- P(c);::R1(E),XS(f)
- Refutation
- Q(a);XQ(C)
- Try
- Actual
- B(F);
- Threat
- QAR1(C)
- Vars
- Q(a);XQ(C)::S(A),XQ(a)
- R(l);N_GUARD,P_SPINB(j),XB(F)::S(J)
- B(e);N_SPINP(i),P_SPINS(f),XR(G)::QAB1(C)
- Q(a);N_GUARD::QAR1(C)
- R(l);N_SPINP(i),P_SPINB(j)::QAR(C)
- B(j);N_SPINP(i),P_SPINR(l)::S(J)
- S(f);OGATE,P_SPINB(e)::P(D),XS(f)
- S(f);N_SPINP(i),P_SPINB(e),S_CUTR(l)::S(J)
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).