MESON Chess Problem Database
Problem Display
PID: 11760 (5b1B/2nr4/8/8/Rp2Np2/1k2n3/1N1Q4/1K6 w - - 0 1)
Svyatov, Gennadi
1/2 Prize, Shakhmaty v SSSR, 1971
#2
6 + 7
| 145 | StrateGems | 1999 |
| 3242 | BCPS Rapid Solving (Cheltenham) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.Sxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd6
- 2.Sc5#
- 2.Qxb4#
- 1...Re7
- 2.Sc5#
- 2.Qxb4#
- 2.Qd3#
- 1...Rf7
- 2.Qd3#
- 1...Rg7
- 2.Qd3#
- 1...Rh7
- 2.Qd3#
- 1...Bc5
- 2.Sxc5#
- 1...Bd6
- 2.Qd3#
- 1...Bh6
- 2.Sc5#
- 2.Qxb4#
- 1...Bg7
- 2.Sc5#
- 2.Qxb4#
- 1...Sd1
- 2.Qc2#
- 1...Sf1
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sg2
- 2.Qc2#
- 1...Sc4
- 2.Qc2#
- 1...Sg4
- 2.Qc2#
- 1...Sed5
- 2.Qd1#
- 2.Qc2#
- 1...Sf5
- 2.Qc2#
- 1...Rxd2
- Tries
- 1.Sd6?
- threat
- 2.Qxb4#
- 2.Qd3#
- 1...Rxd6
- 2.Qxb4#
- 1...Bxd6
- 2.Qd3#
- 1...Bg7
- 2.Qxb4#
- 1...Sd1
- 2.Qxb4#
- 2.Qxd1#
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 2.Qd3#
- 1...Sed5
- 2.Qd1#
- 2.Qc2#
- 1...Sb5
- 2.Qxb4#
- 1...Sa6
- 2.Qd3#
- 1...Scd5!
- threat
- 1.Ra3+?
- 1...bxa3
- 2.Qc3#
- 1...Kxa3!
- 1...bxa3
- 1.Rxb4+?
- 1...Ka3
- 2.Qc3#
- 1...Bxb4!
- 1...Ka3
- 1.Qxe3+?
- 1...Rd3
- 2.Sd2#
- 2.Qxd3#
- 1...fxe3!
- 1...Rd3
- 1.Qd4?
- threat
- 2.Sd2#
- 1...Sf1
- 2.Qc4#
- 1...Sc4
- 2.Qxc4#
- 1...Rxd4!
- threat
- 1.Qd5+?
- 1...Sc4
- 2.Sd2#
- 2.Qxc4#
- 1...Sexd5
- 2.Sd2#
- 1...Scxd5
- 2.Sd2#
- 1...Rxd5!
- 1...Sc4
- 1.Qxd7?
- threat
- 2.Sd2#
- 2.Qd3#
- 1...Bd6
- 2.Sd2#
- 1...Sd1
- 2.Sd2#
- 2.Qxd1#
- 1...Sf1
- 2.Qd1#
- 2.Qd3#
- 1...Sc4
- 2.Qd1#
- 2.Qd3#
- 1...Sed5
- 2.Sd2#
- 1...Sb5
- 2.Sd2#
- 1...Scd5
- 2.Sd2#
- 1...Bg7!
- threat
- 1.Sd6?
- Keys
- 1.Qd6!
- threat
- 2.Sd2#
- 2.Sc5#
- 1...Rxd6
- 2.Sc5#
- 1...Bxd6
- 2.Sd2#
- 1...Rg7
- 2.Qd3#
- 1...Bg7
- 2.Qxb4#
- 1...Sf1
- 2.Sc5#
- 1...Sc4
- 2.Sc5#
- 1...Sa6
- 2.Sd2#
- 1...Se6
- 2.Sd2#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 10
- Sets
- R(f);XQ(C)::S(E),XR(f)
- R(f);N_GUARD::QAR2(C),XR(f)
- R(f);N_GUARD::QAR2(C)
- B(g);N_GUARD::S(E),XB(g)
- B(g);S_CUTR(f)::QAR2(C)
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XS(E)::QAR1(C),XP(c)
- B(g);XS(E)::QAR2(C)
- B(g);::QAR1(C),XP(c)
- S(e);::QAR1(C),XP(c)
- S(e);::QAR2(C)
- Refutation
- S(e);
- Try
- R(D);CHECK
- Vars
- P(c);SBLOCK,XR(D)::QAR1(C)
- Refutation
- K(a);P-FLIGHT,XR(D)
- Try
- R(D);CHECK,XP(c)
- Vars
- K(a);P-FLIGHT::QAR2(C)
- Refutation
- B(g);XR(D)
- Try
- Q(C);CHECK,XS(b)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);
- Threat
- S(E)
- Vars
- S(b);N_GUARD::QAB1(C)
- S(b);N_GUARD::QAB1(C),XS(b)
- Refutation
- R(f);XQ(C)
- Try
- Q(C);CHECK
- Vars
- S(b);XQ(C)::S(E)
- S(e);XQ(C)::S(E)
- Refutation
- R(f);XQ(C)
- Try
- Q(C);XR(f)
- Threat
- DUALS(2)
- Vars
- B(g);::S(E)
- S(b);::S(E)
- S(e);::S(E)
- Refutation
- B(g);
- Try
- Actual
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(f);XQ(C)::S(E)
- B(g);XQ(C)::S(E)
- R(f);N_GUARD::QAR2(C)
- B(g);N_GUARD::QAR1(C),XP(c)
- S(b);::S(E)
- S(e);::S(E)
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