MESON Chess Problem Database
Problem Display
PID: 11409 (3r1n2/4P3/1RBpk1bN/1K3N2/2P2P1b/8/1Qp3r1/7q w - - 0 1)
Koldijk, Albert Marinus
Smit, Geert
3rd HM., Magasinet, 1938
#2
9 + 9
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 102 | Probleemblad | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rg5
- 2.exd8S#
- 1...Rd7
- 2.Bd5#
- 2.exf8S#
- 1...Be1
- 2.exd8S#
- 1...Bf2
- 2.exd8S#
- 1...Bg3
- 2.exd8S#
- 1...Bxe7
- 2.Sg7#
- 1...Be8
- 2.exf8S#
- 1...Sd7
- 2.Bd5#
- 1...d5
- 2.Qe5#
- 1...Rg5
- Tries
- 1.Bd7+?
- 1...Rxd7
- 2.Qe5#
- 2.exf8S#
- 1...Sxd7
- 2.Rxd6#
- 1...Kxd7!
- 1...Rxd7
- 1.Be8?
- threat
- 2.Qe5#
- 2.exf8S#
- 1...Rxe8
- 2.Rxd6#
- 1...Bxe7
- 2.Sg7#
- 2.Qe5#
- 1...Bxf5
- 2.Qe5#
- 1...Qa1
- 2.exf8S#
- 1...Qb1
- 2.exf8S#
- 1...Qe1
- 2.exf8S#
- 1...Re2
- 2.exf8S#
- 1...Bf6
- 2.exf8S#
- 1...Sd7
- 2.Rxd6#
- 1...Sh7
- 2.Qe5#
- 1...Bxe8+!
- threat
- 1.exd8Q?
- threat
- 2.Sd4#
- 2.Sg7#
- 2.Bd5#
- 2.Qxd6#
- 1...Bxf5
- 2.Bd5#
- 1...Qd1
- 2.Sg7#
- 1...Qg1
- 2.Sg7#
- 2.Bd5#
- 2.Qxd6#
- 1...Rg1
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rd2
- 2.Sg7#
- 1...Re2
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rf2
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rh2
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rg3
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rg4
- 2.Sd4#
- 2.Sg7#
- 2.Qxd6#
- 1...Rg5
- 2.Qbf6#
- 2.Qdf6#
- 2.Qe7#
- 2.Qxd6#
- 1...Bf2
- 2.Sg7#
- 2.Bd5#
- 2.Qbf6#
- 2.Qdf6#
- 2.Qe7#
- 2.Qxd6#
- 1...Bf6
- 2.Bd5#
- 2.Qbxf6#
- 2.Qdxf6#
- 2.Qxd6#
- 1...Be7
- 2.Sg7#
- 2.Bd5#
- 2.Qxe7#
- 1...Bh5
- 2.Sd4#
- 2.Bd5#
- 2.Qxd6#
- 1...Bf7
- 2.Sd4#
- 2.Bd5#
- 2.Qxd6#
- 1...Bh7
- 2.Sd4#
- 2.Bd5#
- 2.Qxd6#
- 1...Be8
- 2.Sd4#
- 2.Qxd6#
- 1...Sd7
- 2.Sd4#
- 2.Sg7#
- 2.Bd5#
- 2.Bxd7#
- 2.Qxd7#
- 1...d5
- 2.Sd4#
- 2.Sg7#
- 2.Bxd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 2.Qe5#
- 2.Qxd5#
- 2.Qd6#
- 2.cxd5#
- 1...Bxd8!
- threat
- 1.exf8Q?
- threat
- 2.Sd4#
- 2.Sg7#
- 1...Bxf5
- 2.Qf7#
- 1...Qd1
- 2.Sg7#
- 1...Qg1
- 2.Sg7#
- 1...Rd2
- 2.Sg7#
- 1...Rg5
- 2.Qbf6#
- 2.Qe7#
- 2.Qff6#
- 1...Rd7
- 2.Sd4#
- 2.Bd5#
- 1...Bf2
- 2.Sg7#
- 2.Qbf6#
- 2.Qe7#
- 2.Qff6#
- 1...Bf6
- 2.Qbxf6#
- 2.Qfxf6#
- 1...Bh5
- 2.Sd4#
- 1...Bf7
- 2.Qxf7#
- 1...Bh7
- 2.Sd4#
- 2.Qf7#
- 1...Be8
- 2.Sd4#
- 1...Rxf8!
- threat
- 1.Bd7+?
- Keys
- 1.Rb7!
- threat
- 2.Sg7#
- 2.Bd5#
- 1...Bxf5
- 2.Bd5#
- 1...Qd1
- 2.Sg7#
- 1...Rg1
- 2.Sg7#
- 1...Rd2
- 2.Sg7#
- 1...Re2
- 2.Sg7#
- 1...Rf2
- 2.Sg7#
- 1...Rh2
- 2.Sg7#
- 1...Rg3
- 2.Sg7#
- 1...Rg4
- 2.Sg7#
- 1...Rg5
- 2.exd8S#
- 1...Rd7
- 2.Bd5#
- 2.exf8S#
- 1...Bf6
- 2.Bd5#
- 1...Bh5
- 2.Bd5#
- 1...Bf7
- 2.Bd5#
- 1...Bh7
- 2.Bd5#
- 1...Be8
- 2.exf8S#
- 1...Sd7
- 2.Bd5#
- 1...d5
- 2.Qe5#
- threat
- 1.Rb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 13
- REMOVED MATES = 4
- Sets
- R(c);P_PINS(E),S_CUTB(d)::PXR(h)=S
- B(d);N_GUARD::PXR(h)=S
- B(d);SBLOCK,XP(I)::S(E)
- B(g);P_PINB(G),S_CUTR(h)::PXS(i)=S
- S(i);SBLOCK::B(G)
- P(e);N_GUARD::QAR1(A)
- Tries
- Try
- B(G);CHECK,P_PINP(e)
- Vars
- S(i);XB(G)::R1(F),XP(e)
- Refutation
- K(f);N_SPINP(e),S_FLIGHT,XB(G)
- Try
- B(G);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XB(G)::R1(F),XP(e)
- B(g);XS(E)::QAR1(A)
- Q(a);::PXS(i)=S
- Q(a);P_PINQ(A)::PXS(i)=S
- R(c);::PXS(i)=S
- B(d);::PXS(i)=S
- S(i);S_CUTR(h)::R1(F),XP(e)
- S(i);::QAR1(A)
- Refutation
- B(g);CHECK,XB(G)
- Try
- P(I);XR(h)
- Threat
- DUALS(4)
- Vars
- B(g);XS(E)::B(G)
- Q(a);::S(E)
- R(c);::S(E)
- Refutation
- B(d);XQ(I)
- Try
- P(I);XS(i)
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD,XS(E)::QAB1(I)
- Q(a);::S(E)
- R(c);::S(E)
- B(g);::S(E)
- B(g);N_GUARD::QAB1(I),XB(g)
- B(g);P_PINB(G)::S(E)
- Refutation
- R(h);XQ(I)
- Try
- Actual
- R(F);
- Threat
- DUALS(2)
- Vars
- B(g);XS(E)::B(G)
- Q(a);::S(E)
- R(c);::S(E)
- R(c);P_PINS(E),S_CUTB(d)::PXR(h)=S
- B(d);::B(G)
- B(g);::B(G)
- B(g);P_PINB(G),S_CUTR(h)::PXS(i)=S
- S(i);::B(G)
- P(e);N_GUARD::QAR1(A)
Developed and maintained by Brian Stephenson.
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