MESON Chess Problem Database
Problem Display
PID: 244778 (1b3R2/2n5/1Q1PN2p/1p1pk3/6B1/1K1P2p1/2P2n2/6Bb w - - 0 1)
Dombrovskis, Alfreds A
Mat, 1987
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.d4#
- 1...Sd1
- 2.Bd4#
- 1...Sh3
- 2.Bd4#
- 1...Se4
- 2.Bd4#
- 2.d4#
- 1...Sxe6
- 2.Rf5#
- 1...g2
- 2.Bh2#
- 1...d4
- 2.Qxd4#
- 1...Be4
- Tries
- 1.Sf4?
- threat
- 2.Sg6#
- 2.Rf5#
- 1...Sxg4
- 2.Bd4#
- 1...Be4
- 2.d4#
- 1...d4
- 2.Rf5#
- 1...Sxd3!
- threat
- 1.Sg5?
- threat
- 2.Rf5#
- 2.d4#
- 1...Sxd3
- 2.Bd4#
- 2.Rf5#
- 1...Sxg4
- 2.Bd4#
- 2.d4#
- 1...d4
- 2.Rf5#
- 1...Be4
- 2.d4#
- 1...Se6
- 2.Rf5#
- 1...hxg5!
- threat
- 1.Sg7?
- threat
- 2.Rf5#
- 1...Be4
- 2.d4#
- 1...Sxd3!
- threat
- 1.Sd8?
- threat
- 2.Rf5#
- 1...Sxg4
- 2.Bd4#
- 1...Be4
- 2.d4#
- 1...Sxd3!
- threat
- 1.Bxf2?
- threat
- 2.Bxg3#
- 2.Bd4#
- 1...Sxe6
- 2.Rf5#
- 1...d4
- 2.Qxd4#
- 1...g2
- 2.Bg3#
- 2.Bd4#
- 1...gxf2!
- threat
- 1.Bf5?
- threat
- 2.d4#
- 1...Sxd3
- 2.Bd4#
- 1...d4
- 2.Qxd4#
- 1...Sxe6!
- threat
- 1.Rf4?
- threat
- 2.d4#
- 1...Sxd3
- 2.Bd4#
- 1...Sxe6
- 2.Rf5#
- 1...d4
- 2.Qxd4#
- 1...Sxg4!
- threat
- 1.Qe3+?
- 1...Be4
- 2.Qf4#
- 2.Qxg3#
- 1...Se4
- 2.Qf4#
- 1...Kxd6!
- 1...Be4
- 1.dxc7?
- threat
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bxc7
- 2.Rf5#
- 2.Qxc7#
- 1...Sxg4
- 2.Bd4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...d4
- 2.Rf5#
- 2.Qxd4#
- 1...Bg2
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Bf3
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Be4
- 2.d4#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Ba7
- 2.Rf5#
- 1...Sd1
- 2.Bd4#
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sh3
- 2.Bd4#
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Se4
- 2.Bd4#
- 2.Rf5#
- 2.d4#
- 1...g2
- 2.Bh2#
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...b4
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...h5
- 2.Rf5#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Sxd3!
- threat
- 1.d7?
- threat
- 2.Rf5#
- 1...Sxg4
- 2.Bd4#
- 1...Be4
- 2.d4#
- 1...Sxd3!
- threat
- 1.Sf4?
- Keys
- 1.Sc5!
- threat
- 2.Sd7#
- 1...Kd4
- 2.Sd7#
- 1...Sxd3
- 2.Rf5#
- 1...Sxg4
- 2.d4#
- 1...d4
- 2.Rf5#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- B(a);SBLOCK::P(D)
- S(b);OGATE::B(A)
- S(h);SBLOCK,XS(H)::R1(I)
- P(c);OGATEB::B(A)
- P(e);::QAB1(F),XP(e)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(b);OGATE,XB(E)::B(A)
- B(a);SBLOCK::P(D)
- P(e);::R1(I)
- Refutation
- S(b);XP(D)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(e);::R1(I)
- B(a);::P(D)
- S(h);::R1(I)
- Refutation
- P(g);XS(H)
- Try
- S(H);
- Threat
- R1(I)
- Vars
- B(a);SBLOCK::P(D)
- Refutation
- S(b);XP(D)
- Try
- S(H);
- Threat
- R1(I)
- Vars
- S(b);OGATE,XB(E)::B(A)
- B(a);SBLOCK::P(D)
- Refutation
- S(b);XP(D)
- Try
- B(A);XS(b)
- Threat
- DUALS(2)
- Vars
- S(h);SBLOCK,XS(H)::R1(I)
- P(e);::QAB1(F),XP(e)
- Refutation
- P(c);XB(A)
- Try
- B(E);
- Threat
- P(D)
- Vars
- S(b);OGATE,XP(D)::B(A)
- P(e);::QAB1(F),XP(e)
- Refutation
- S(h);XS(H)
- Try
- R(I);
- Threat
- P(D)
- Vars
- S(b);OGATE,XP(D)::B(A)
- S(h);SBLOCK,XS(H)::R1(I)
- P(e);::QAB1(F),XP(e)
- Refutation
- S(b);XB(E)
- Try
- Q(F);CHECK
- Vars
- S(b);P_SPINS(b)::QAB1(F)
- Refutation
- K(f);S_FLIGHT,XP(G)
- Try
- P(G);XS(h)
- Threat
- DUALS(3)
- Vars
- B(i);::R1(I)
- Refutation
- S(b);XP(D)
- Try
- P(G);
- Threat
- R1(I)
- Vars
- S(b);OGATE,XB(E)::B(A)
- B(a);SBLOCK::P(D)
- Refutation
- S(b);XP(D)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(f);P_SPINS(b),S_FLIGHT::QAB(F)+S(H)
- S(b);XP(D)::R1(I)
- S(b);XB(E)::P(D)
- P(e);SBLOCK::R1(I)
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