MESON Chess Problem Database
Problem Display
PID: 121899 (8/BpKNp3/1rp1r3/3kp3/3N4/1P1BPpQ1/7n/3b4 w - - 0 1)
Velidov, Aleksandr
Source?, 1981
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.e4#
- 1...Rb4
- 2.e4#
- 1...Rb5
- 2.e4#
- 1...Ra6
- 2.e4#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...e4
- 2.Bc4#
- 1...Rxb3
- Tries
- 1.Sc2?
- threat
- 2.e4#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...Rb4
- 2.Sxb4#
- 1...e4
- 2.Bc4#
- 1...Bxc2!
- threat
- 1.Sb5?
- threat
- 2.Sc3#
- 2.e4#
- 1...Rxb5
- 2.e4#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...e4
- 2.Sc3#
- 2.Bc4#
- 1...cxb5!
- threat
- 1.Sf5?
- threat
- 2.e4#
- 1...Rd6
- 2.Qxe5#
- 1...Rf6
- 2.Qxe5#
- 1...Rg6
- 2.Qxe5#
- 1...Rh6
- 2.Qxe5#
- 1...e4
- 2.Bc4#
- 1...Rb4!
- threat
- 1.Sxe6?
- threat
- 2.Qxe5#
- 1...Kxe6
- 2.Qg8#
- 1...e4
- 2.Sf4#
- 2.Bc4#
- 2.Qe5#
- 1...Sg4!
- threat
- 1.Qf2?
- threat
- 2.e4#
- 1...e4
- 2.Bc4#
- 1...exd4!
- threat
- 1.Qf4?
- threat
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rxb3
- 2.Qe4#
- 2.e4#
- 1...Bxb3
- 2.Qe4#
- 1...exd4
- 2.Bc4#
- 2.Qxd4#
- 1...Rb4
- 2.Be4#
- 2.Qe4#
- 2.e4#
- 1...Bc2
- 2.Bc4#
- 2.Qe4#
- 1...Be2
- 2.Be4#
- 2.Qe4#
- 1...e4
- 2.Bc4#
- 1...exf4!
- threat
- 1.Qh4?
- threat
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rxb3
- 2.Qe4#
- 2.e4#
- 1...Bxb3
- 2.Qe4#
- 1...exd4
- 2.Bc4#
- 2.Qxd4#
- 1...Rb4
- 2.Be4#
- 2.Qe4#
- 2.e4#
- 1...Bc2
- 2.Bc4#
- 2.Qe4#
- 1...Be2
- 2.Be4#
- 2.Qe4#
- 1...e4
- 2.Bc4#
- 1...Sg4!
- threat
- 1.Qg4?
- threat
- 2.Bc4#
- 2.Be4#
- 2.Qxe6#
- 2.Qe4#
- 1...Rxb3
- 2.Qxe6#
- 2.Qe4#
- 2.e4#
- 1...Bxb3
- 2.Qxe6#
- 2.Qe4#
- 1...exd4
- 2.Bc4#
- 2.Qxd4#
- 1...Rb4
- 2.Be4#
- 2.Qxe6#
- 2.Qe4#
- 2.e4#
- 1...Rd6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rf6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rg6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rh6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Bc2
- 2.Bc4#
- 2.Qxe6#
- 2.Qe4#
- 1...Be2
- 2.Be4#
- 2.Qxe6#
- 2.Qe4#
- 1...e4
- 2.Bc4#
- 2.Qxe6#
- 1...c5
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Sxg4!
- threat
- 1.Qg6?
- threat
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 2.Qxe6#
- 1...Rxb3
- 2.Qe4#
- 2.Qxe6#
- 2.e4#
- 1...Bxb3
- 2.Qe4#
- 2.Qxe6#
- 1...exd4
- 2.Bc4#
- 1...Rb4
- 2.Be4#
- 2.Qe4#
- 2.Qxe6#
- 2.e4#
- 1...Rd6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rf6
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Bc2
- 2.Bc4#
- 2.Qe4#
- 2.Qxe6#
- 1...Be2
- 2.Be4#
- 2.Qe4#
- 2.Qxe6#
- 1...e4
- 2.Bc4#
- 2.Qxe6#
- 1...c5
- 2.Bc4#
- 2.Be4#
- 2.Qe4#
- 1...Rxg6!
- threat
- 1.b4?
- threat
- 2.Sxb6#
- 1...Rxb4
- 2.e4#
- 1...Rb5
- 2.e4#
- 1...Ra6
- 2.e4#
- 1...c5!
- threat
- 1.Sc2?
- Keys
- 1.Qg8!
- threat
- 2.Qxe6#
- 1...exd4
- 2.e4#
- 1...c5
- 2.Sxb6#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(f);XP(A)::P(C)
- R(f);::P(C)
- R(h);N_GUARD::QAR1(D),XP(e)
- P(e);SBLOCK::B(B)
- Tries
- Try
- S(E);
- Threat
- P(C)
- Vars
- R(h);N_GUARD::QAR1(D),XP(e)
- R(f);N_GUARD::S(E),XR(f)
- P(e);SBLOCK::B(B)
- Refutation
- B(a);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(f);XS(E)::P(C)
- R(h);N_GUARD::QAR1(D),XP(e)
- Refutation
- P(g);XS(E)
- Try
- S(E);
- Threat
- P(C)
- Vars
- R(h);N_GUARD::QAR1(D),XP(e)
- P(e);SBLOCK::B(B)
- Refutation
- R(f);
- Try
- S(E);XR(h)
- Threat
- QAR1(D),XP(e)
- Vars
- K(d);OGATEB,S_FLIGHT,XS(E)::QAB(D)
- Refutation
- S(b);
- Try
- Q(D);
- Threat
- P(C)
- Vars
- P(e);SBLOCK::B(B)
- Refutation
- P(e);XS(E)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(a);XP(A)::QAB1(D)
- P(e);::B(B)
- Refutation
- P(e);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(a);XP(A)::QAB1(D)
- P(e);::B(B)
- Refutation
- S(b);
- Try
- Q(D);
- Threat
- DUALS(4)
- Refutation
- S(b);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- P(e);XS(E)::B(B)
- Refutation
- R(h);XQ(D)
- Try
- P(A);
- Threat
- S(H),XR(f)
- Vars
- R(f);XP(A)::P(C)
- R(f);::P(C)
- Refutation
- P(g);
- Try
- Actual
- Q(D);P_PINR(h)
- Threat
- QAB1(D),XR(h)
- Vars
- P(e);SBLOCK,XS(E)::P(C)
- P(g);SBLOCK::S(H),XR(f)
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