MESON Chess Problem Database
Problem Display
PID: 26800 (b1r5/B7/1N1Q4/2n5/1R5r/3Bkp1p/1R6/N1b2K2 w - - 0 1)
Dombrovskis, Alfreds A
Rukhlis, Efim Naumovich
1/2 HM., Shakhmaty v SSSR, 1948
#2
8 + 8
| 113 | Shakhmaty v SSSR | 1949 |
| 461 | Schach-Express | 1950 |
| 2988 | Izbrannie Kompozitsi | 1985 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Rh5
- 2.Sc4#
- 2.Qd4#
- 1...Rh6
- 2.Sc4#
- 2.Qd4#
- 1...Rh7
- 2.Sc4#
- 2.Qd4#
- 1...Rhh8
- 2.Sc4#
- 2.Qd4#
- 1...Bd2
- 2.Sc2#
- 1...Be4
- 2.Sc4#
- 1...Sb3
- 2.Sc4#
- 1...Sxd3
- 2.Sd5#
- 1...Sa4
- 2.Sc4#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Se6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Rc4
- Tries
- 1.Bf5?
- threat
- 2.Sc2#
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sxd5#
- 1...Sb3
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd3
- 2.Sc4#
- 2.Sd5#
- 2.Qxd3#
- 1...Sa4
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sb7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...f2!
- threat
- 1.Bg6?
- threat
- 2.Sc2#
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sxd5#
- 1...Sb3
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd3
- 2.Sc4#
- 2.Sd5#
- 2.Qxd3#
- 1...Sa4
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sb7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...f2!
- threat
- 1.Bh7?
- threat
- 2.Sc2#
- 1...Rc4
- 2.Sxc4#
- 1...Rd4
- 2.Qxd4#
- 1...Be4
- 2.Sc4#
- 1...Bd5
- 2.Sxd5#
- 1...Sb3
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd3
- 2.Sc4#
- 2.Sd5#
- 2.Qxd3#
- 1...Sa4
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Se6
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sb7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...Sd7
- 2.Sc4#
- 2.Sd5#
- 2.Qd3#
- 1...f2!
- threat
- 1.Rf2?
- threat
- 2.Sc2#
- 1...Sxd3
- 2.Sd5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc4
- 2.Sxc4#
- 1...Sb3
- 2.Sc4#
- 1...Sa4
- 2.Sc4#
- 1...Se4
- 2.Sc4#
- 1...Sa6
- 2.Sc4#
- 1...Se6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Bd5!
- threat
- 1.Re4+?
- 1...Bxe4
- 2.Sc4#
- 1...Sxe4
- 2.Sc4#
- 1...Rxe4!
- 1...Bxe4
- 1.Bf5?
- Keys
- 1.Be4!
- threat
- 2.Sc2#
- 1...Bxe4
- 2.Sc4#
- 1...Sxe4
- 2.Sc4#
- 1...Bd5
- 2.Sxd5#
- 1...Sb3
- 2.Sd5#
- 1...Sd3
- 2.Sd5#
- 1...Sa4
- 2.Sd5#
- 1...Sa6
- 2.Sd5#
- 1...Se6
- 2.Sd5#
- 1...Sb7
- 2.Sd5#
- 1...Sd7
- 2.Sd5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(e);N_GUARD::S(F),XR(e)
- R(e);N_GUARD::QAB1(G),XR(e)
- B(a);SBLOCK::S(A)
- B(g);S_CUTR(e)::S(F)
- S(f);::B(H)+S(F),DCHECK
- S(f);SBLOCK,XB(D)::B(H)+S(F),DCHECK
- Tries
- Try
- B(D);
- Threat
- S(A)
- Vars
- R(e);N_GUARD::S(F),XR(e)
- R(e);N_GUARD::QAB1(G),XR(e)
- B(g);S_CUTR(e)::S(F)
- B(g);N_GUARD::S(F),XB(g)
- S(f);::B(H)+S(F),DCHECK
- Refutation
- P(c);
- Try
- B(D);
- Threat
- S(A)
- Vars
- R(e);N_GUARD::S(F),XR(e)
- R(e);N_GUARD::QAB1(G),XR(e)
- B(g);S_CUTR(e)::S(F)
- B(g);N_GUARD::S(F),XB(g)
- S(f);::B(H)+S(F),DCHECK
- Refutation
- P(c);
- Try
- B(D);
- Threat
- S(A)
- Vars
- R(e);N_GUARD::S(F),XR(e)
- R(e);N_GUARD::QAB1(G),XR(e)
- B(g);S_CUTR(e)::S(F)
- B(g);N_GUARD::S(F),XB(g)
- S(f);::B(H)+S(F),DCHECK
- Refutation
- P(c);
- Try
- R(C);
- Threat
- S(A)
- Vars
- S(f);SBLOCK,XB(D)::B(H)+S(F),DCHECK
- R(e);N_GUARD::QAB1(G),XR(e)
- R(e);N_GUARD::S(F),XR(e)
- S(f);::B(H)+S(F),DCHECK
- Refutation
- B(g);
- Try
- R(E);CHECK
- Vars
- B(g);XR(E)::S(F)
- S(f);XR(E)::B(H)+S(F),DCHECK
- Refutation
- R(e);XR(E)
- Try
- Actual
- B(D);
- Threat
- S(A)
- Vars
- B(g);SBLOCK,XB(D)::S(F)
- S(f);SBLOCK,XB(D)::B(H)+S(F),DCHECK
- B(g);N_GUARD::S(F),XB(g)
- S(f);::B(H)+S(F),DCHECK
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