MESON Chess Problem Database
Problem Display
PID: 42388 (5r2/B3Np2/Q7/2p2n1R/p1BkbK2/4pp2/1Pn5/r1R5 w - - 0 1)
Nadezhdin, Nikolai Dmitrievich
1st Place, USSR Team Championship, 1974
#2
8 + 11
| 3771 | FIDE Album (1974-1976) | 1980 |
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.Sc6#
- 1...Bd5
- 2.Sxf5#
- 1...Bc6
- 2.Sxf5#
- 2.Sxc6#
- 1...Bb7
- 2.Sxf5#
- 1...Ba8
- 2.Sxf5#
- 1...Se1
- 2.Qf6#
- 1...Sa3
- 2.Qf6#
- 1...Sb4
- 2.Qf6#
- 1...Sg3
- 2.Bxc5#
- 1...Sh4
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...Sh6
- 2.Bxc5#
- 1...Sxe7
- 2.Bxc5#
- 1...Sg7
- 2.Bxc5#
- 1...Bd3
- Tries
- 1.Bf1?
- threat
- 2.Qc4#
- 2.Qf6#
- 1...Bd3
- 2.Qxd3#
- 1...Bd5
- 2.Sxf5#
- 2.Qd3#
- 2.Qf6#
- 1...Bc6
- 2.Qd3#
- 2.Qc4#
- 1...Sa3
- 2.Bxc5#
- 2.Qf6#
- 1...Sd6
- 2.Bxc5#
- 1...f6
- 2.Qc4#
- 1...e2!
- threat
- 1.Ba2?
- threat
- 2.Qc4#
- 1...Bd3
- 2.Sc6#
- 2.Qf6#
- 1...Bd5
- 2.Sxf5#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...Rxa2!
- threat
- 1.Be2?
- threat
- 2.Qc4#
- 2.Qf6#
- 1...Bd3
- 2.Qxd3#
- 1...Bd5
- 2.Sxf5#
- 2.Qd3#
- 2.Qf6#
- 1...Bc6
- 2.Qd3#
- 2.Qc4#
- 1...Sa3
- 2.Bxc5#
- 2.Qf6#
- 1...Sd6
- 2.Bxc5#
- 1...f6
- 2.Qc4#
- 1...fxe2!
- threat
- 1.Bb3?
- threat
- 2.Qc4#
- 1...Bd3
- 2.Sc6#
- 2.Qf6#
- 1...Bd5
- 2.Sxf5#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...axb3!
- threat
- 1.Bd3?
- threat
- 2.Qc4#
- 1...Bd5
- 2.Sxf5#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...Bxd3!
- threat
- 1.Be6?
- threat
- 2.Qc4#
- 1...Bd3
- 2.Sc6#
- 1...Bd5
- 2.Sxf5#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...fxe6!
- threat
- 1.Bxf7?
- threat
- 2.Qc4#
- 1...Bd3
- 2.Sc6#
- 2.Qf6#
- 1...Bd5
- 2.Sxf5#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...Rxf7!
- threat
- 1.Rd1+?
- 1...Bd3
- 2.Sxf5#
- 2.Sc6#
- 2.Rxd3#
- 1...Rxd1!
- 1...Bd3
- 1.Rxc2?
- threat
- 2.Qf6#
- 1...Bxc2
- 2.Sc6#
- 1...Bc6
- 2.Sxf5#
- 2.Sxc6#
- 1...Sd6
- 2.Bxc5#
- 1...f6!
- threat
- 1.Rxf5?
- threat
- 2.Bxc5#
- 1...Bxf5
- 2.Sxf5#
- 2.Sc6#
- 1...Bd5
- 2.Rxd5#
- 1...Rc8!
- threat
- 1.Qa5?
- threat
- 2.Qc3#
- 2.Qxc5#
- 1...Ra3
- 2.Qxc5#
- 1...Rc8
- 2.Qc3#
- 1...Sb4
- 2.Bxc5#
- 2.Qxc5#
- 1...Kxc4!
- threat
- 1.Qe6?
- threat
- 2.Qxe4#
- 1...Bd5
- 2.Qxd5#
- 1...Bd3
- 2.Sc6#
- 2.Qd5#
- 1...Bc6
- 2.Sxf5#
- 2.Sxc6#
- 1...Bb7
- 2.Sxf5#
- 1...Ba8
- 2.Sxf5#
- 1...Sg3
- 2.Bxc5#
- 1...Sd6
- 2.Bxc5#
- 1...fxe6!
- threat
- 1.Bf1?
- Keys
- 1.Bd5!
- threat
- 2.Qc4#
- 1...Bxd5
- 2.Sxf5#
- 1...Bd3
- 2.Qf6#
- 1...Sa3
- 2.Bxc5#
- 1...Sd6
- 2.Sc6#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(g);N_GUARD::S(H)
- B(g);N_GUARD::S(H),XS(i)
- S(b);::QAB(F)
- S(i);::B(G),XP(h)
- S(i);XS(H)::B(G),XP(h)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD::QAR1(F),XB(g)
- S(i);::B(G),XP(h)
- P(j);::QAR1(F)
- Refutation
- P(c);
- Try
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD::S(H),XS(i)
- S(b);::B(G),XP(h)
- S(i);::B(G),XP(h)
- Refutation
- R(a);XB(C)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(g);N_GUARD::QAR1(F),XB(g)
- S(i);::B(G),XP(h)
- P(j);::QAR1(F)
- Refutation
- P(d);XB(C)
- Try
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD::S(H),XS(i)
- S(b);::B(G),XP(h)
- S(i);::B(G),XP(h)
- Refutation
- P(e);XB(C)
- Try
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD,SBLOCK::S(H),XS(i)
- S(b);::B(G),XP(h)
- S(i);::B(G),XP(h)
- Refutation
- B(g);XB(C)
- Try
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD::S(H)
- B(g);N_GUARD::S(H),XS(i)
- S(b);::B(G),XP(h)
- S(i);::B(G),XP(h)
- Refutation
- P(j);XB(C)
- Try
- B(C);XP(j)
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD::S(H),XS(i)
- S(b);::B(G),XP(h)
- S(i);P_PINB(C)::B(G),XP(h)
- Refutation
- R(k);XB(C)
- Try
- R(A);CHECK
- Refutation
- R(a);XR(A)
- Try
- R(A);XS(b)
- Threat
- QAB(F)
- Vars
- B(g);N_GUARD,XR(A)::S(H)
- S(i);::B(G),XP(h)
- Refutation
- P(j);
- Try
- R(E);XS(i)
- Threat
- B(G),XP(h)
- Vars
- B(g);N_GUARD::R1(E),XB(g)
- Refutation
- R(k);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(a);::QAB1(F),XP(h)
- R(k);::QAB1(F)
- Refutation
- K(f);N_SPINP(h),P-FLIGHT,P_SPINS(b),XB(C)
- Try
- Q(F);
- Threat
- QAR1(F),XB(g)
- Vars
- B(g);N_GUARD::QAR1(F),XB(g)
- B(g);N_GUARD::S(H),XS(i)
- S(i);::B(G),XP(h)
- Refutation
- P(j);XQ(F)
- Try
- Actual
- B(C);
- Threat
- QAR1(F)
- Vars
- B(g);N_GUARD,SBLOCK,XB(C)::S(H),XS(i)
- B(g);SBLOCK::QAB(F)
- S(b);::B(G),XP(h)
- S(i);::S(H)
Developed and maintained by Brian Stephenson.
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