MESON Chess Problem Database
Problem Display
PID: 99787 (N4q2/3pb3/p2k1pN1/2R2P2/n3P3/1Q2BKp1/5P2/3r3r w - - 0 1)
Kopaev, Viacheslav Georgievich
Magyar Sakkelet, 1980
#2
9 + 10
| 6490 | yacpdb | 2009 |
| 5503 | ISC | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Qh6
- 2.Qb8#
- 1...Qg7
- 2.Qb8#
- 1...Qf7
- 2.Qb8#
- 1...Qb8
- 2.Qxb8#
- 1...Ra1
- 2.Qd5#
- 2.Qd3#
- 1...Rb1
- 2.Qd5#
- 2.Qd3#
- 1...Rc1
- 2.Qd5#
- 2.Qd3#
- 1...Rde1
- 2.Qd5#
- 2.Qd3#
- 1...Rdf1
- 2.Qd5#
- 2.Qd3#
- 1...Rdg1
- 2.Qd5#
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Qxd5#
- 1...Rh2
- 2.Qxd1#
- 1...Rh3
- 2.Qxd1#
- 1...Rh4
- 2.Qxd1#
- 1...Rh5
- 2.Qxd1#
- 1...Rh6
- 2.Qxd1#
- 1...Rh7
- 2.Qxd1#
- 1...Rh8
- 2.Qxd1#
- 1...Sb2
- 2.Qb6#
- 1...Sc3
- 2.Qb6#
- 1...Sxc5
- 2.Qb6#
- 1...Sb6
- 2.Qxb6#
- 1...Qh6
- Tries
- 1.Rc2?
- threat
- 2.Bf4#
- 1...Sc3
- 2.Qb6#
- 1...Sc5
- 2.Qb6#
- 1...Qh6
- 2.Qb8#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Qxd5#
- 1...Rh4!
- threat
- 1.Rc3?
- threat
- 2.Bf4#
- 1...Sxc3
- 2.Qb6#
- 1...Sc5
- 2.Qb6#
- 1...Qh6
- 2.Qb8#
- 1...Rd5
- 2.Qxd5#
- 1...Rh4
- 2.Qxd1#
- 1...Rd3!
- threat
- 1.Rc4?
- threat
- 2.Bf4#
- 1...Sc5
- 2.Qb6#
- 1...Qh6
- 2.Qb8#
- 1...Rd3
- 2.Qxd3#
- 1...Rh4
- 2.Qxd1#
- 1...Rd5!
- threat
- 1.Rd5+?
- 1...Rxd5
- 2.Qxd5#
- 1...Kc6!
- 1...Rxd5
- 1.Rc6+?
- 1...dxc6
- 2.Qe6#
- 1...Kxc6!
- 1...dxc6
- 1.Rc7?
- threat
- 2.Bf4#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Qxd5#
- 1...Rh4
- 2.Qxd1#
- 1...Qh6!
- threat
- 1.Rc8?
- threat
- 2.Bf4#
- 2.Qb8#
- 1...Qh6
- 2.Qb8#
- 1...Qd8
- 2.Bf4#
- 1...Rb1
- 2.Bf4#
- 2.Qd5#
- 2.Qd3#
- 1...Rc1
- 2.Bf4#
- 2.Qd5#
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 2.Qb8#
- 1...Rd5
- 2.Qxd5#
- 2.Qb8#
- 1...Rh4
- 2.Qxd1#
- 2.Qb8#
- 1...Bd8
- 2.Bf4#
- 1...Sb6
- 2.Bf4#
- 2.Bc5#
- 2.Qa3#
- 2.Qb4#
- 2.Qxb6#
- 1...Qxc8!
- threat
- 1.Rc2?
- Keys
- 1.Rc1!
- threat
- 2.Bf4#
- 1...Rxc1
- 2.Qd5#
- 1...Sc3
- 2.Qb6#
- 1...Sc5
- 2.Qb6#
- 1...Qh6
- 2.Qb8#
- 1...Rd3
- 2.Qxd3#
- 1...Rd5
- 2.Qxd5#
- 1...Rh4
- 2.Qxd1#
- threat
- 1.Rc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(j);N_GUARD::QAB(B)
- Q(j);N_GUARD::QAB(B),XQ(j)
- R(a);N_GUARD,P_PINB(C)::QAR(B),XR(a)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAR(B),XR(a)
- S(d);N_GUARD::QAR2(B)
- S(d);N_GUARD,XR(F)::QAR2(B)
- S(d);N_GUARD::QAR2(B),XS(d)
- Tries
- Try
- R(F);
- Threat
- B(C)
- Vars
- S(d);N_GUARD::QAR2(B)
- Q(j);N_GUARD::QAB(B)
- R(a);N_GUARD,P_PINB(C)::QAR(B),XR(a)
- R(a);N_GUARD::QAR1(B),XR(a)
- Refutation
- R(b);
- Try
- R(F);
- Threat
- B(C)
- Vars
- S(d);N_GUARD,XR(F)::QAR2(B)
- S(d);N_GUARD::QAR2(B)
- Q(j);N_GUARD::QAB(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAR(B),XR(a)
- Refutation
- R(a);P_PINB(C)
- Try
- R(F);
- Threat
- B(C)
- Vars
- S(d);N_GUARD::QAR2(B)
- Q(j);N_GUARD::QAB(B)
- R(a);N_GUARD,P_PINB(C)::QAR(B),XR(a)
- R(b);N_GUARD::QAR(B),XR(a)
- Refutation
- R(a);
- Try
- R(F);CHECK
- Vars
- R(a);OGATE,XR(F)::QAR1(B),XR(a)
- Refutation
- K(f);P-FLIGHT
- Try
- R(F);CHECK
- Vars
- P(h);SBLOCK,XR(F)::QAR1(B)
- Refutation
- K(f);P-FLIGHT,XR(F)
- Try
- R(F);
- Threat
- B(C)
- Vars
- R(a);N_GUARD,P_PINB(C)::QAR(B),XR(a)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAR(B),XR(a)
- Refutation
- Q(j);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(j);::QAB(B)
- Q(j);::B(C)
- B(i);::B(C)
- Refutation
- Q(j);XR(F)
- Try
- Actual
- R(F);
- Threat
- B(C)
- Vars
- R(a);N_GUARD,XR(F)::QAR1(B)
- S(d);N_GUARD::QAR2(B)
- Q(j);N_GUARD::QAB(B)
- R(a);N_GUARD,P_PINB(C)::QAR(B),XR(a)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAR(B),XR(a)
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