MESON Chess Problem Database
Problem Display
PID: 181194 (8/Kp3br1/nN6/1Pk1PRN1/2P3q1/8/1Q6/3Rn3 w - - 0 1)
Popov, Valery
3rd Prize, 64 Shakhmatnoe obozrenie, 1991
#2
9 + 7
| 136 | Problem Observer | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxd1
- 2.Se4#
- 1...Qh3
- 2.Se4#
- 1...Qh5
- 2.Se4#
- 2.e6#
- 1...Qg1
- 2.Se4#
- 2.e6#
- 1...Qg3
- 2.Se4#
- 1...Qxc4
- 2.Sd7#
- 1...Qe4
- 2.Sxe4#
- 1...Qh4
- 2.e6#
- 1...Bxc4
- 2.Sa4#
- 1...Bd5
- 2.Rxd5#
- 1...Bh5
- 2.Se6#
- 2.Rd5#
- 1...Be6
- 2.Sxe6#
- 1...Bg6
- 2.Se6#
- 2.Rd5#
- 1...Be8
- 2.Se6#
- 2.Rd5#
- 1...Sc7
- 2.Qa3#
- 1...Sb8
- 2.Qa3#
- 1...Qxd1
- Tries
- 1.Rc1?
- threat
- 2.Sa4#
- 2.Sd7#
- 1...Qxf5
- 2.Sa4#
- 1...Qxc4
- 2.Se4#
- 1...Bxc4
- 2.Se6#
- 1...Qd1
- 2.Se4#
- 1...Qd4
- 2.Sa4#
- 1...Bd5
- 2.Sa4#
- 1...Bh5
- 2.Se6#
- 2.Sa4#
- 1...Be6
- 2.Sxe6#
- 2.Sa4#
- 1...Bg6
- 2.Se6#
- 2.Sa4#
- 1...Be8
- 2.Se6#
- 2.Sa4#
- 1...Bg8
- 2.Sa4#
- 1...Sb8
- 2.Sa4#
- 1...Sc2!
- threat
- 1.Rd4?
- threat
- 2.Sa4#
- 2.Sd7#
- 1...Qxf5
- 2.Sa4#
- 1...Bxc4
- 2.Sa4#
- 1...Qd1
- 2.Se4#
- 2.Sd7#
- 2.e6#
- 1...Bd5
- 2.Sa4#
- 2.Rxd5#
- 1...Bh5
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Be6
- 2.Sxe6#
- 2.Sa4#
- 1...Bg6
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Be8
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Bg8
- 2.Sa4#
- 1...Sb8
- 2.Sa4#
- 1...Qxd4!
- threat
- 1.Rf4?
- threat
- 2.Se4#
- 2.Sa4#
- 1...Qxd1
- 2.Se4#
- 1...Qxg5
- 2.Sa4#
- 2.Sd7#
- 1...Rxg5
- 2.Sa4#
- 1...Qe2
- 2.Sa4#
- 2.Sd7#
- 1...Qf3
- 2.Sa4#
- 2.Sd7#
- 1...Qf5
- 2.Sa4#
- 1...Qg2
- 2.Sa4#
- 2.Sd7#
- 1...Bd5
- 2.Sa4#
- 2.Rxd5#
- 1...Bg6
- 2.Sa4#
- 2.Rd5#
- 1...Qxf4!
- threat
- 1.Rc1?
- Keys
- 1.Qc3!
- threat
- 2.Sa4#
- 2.Sd7#
- 1...Qxd1
- 2.Se4#
- 1...Qxf5
- 2.Sa4#
- 1...Qxc4
- 2.e6#
- 1...Bxc4
- 2.Rd5#
- 1...Qd4
- 2.Sa4#
- 1...Bd5
- 2.Sa4#
- 2.Rxd5#
- 1...Bh5
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Be6
- 2.Sxe6#
- 2.Sa4#
- 1...Bg6
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Be8
- 2.Se6#
- 2.Sa4#
- 2.Rd5#
- 1...Bg8
- 2.Sa4#
- 1...Sb8
- 2.Sa4#
- 2.Qa3#
- threat
- 1.Qc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(b);N_GUARD,XR(A)::S(G)
- Q(b);N_GUARD::S(G)
- Q(b);SBLOCK,XP(C)::S(H)
- Q(b);N_GUARD::S(G),XQ(b)
- Q(b);N_GUARD::R(F)+P(E)
- B(f);SBLOCK,XP(C)::S(H)
- B(f);N_GUARD::R1(A),XB(f)
- B(f);N_GUARD::S(G),XB(f)
- S(d);N_GUARD::QAB(B)
- Tries
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(F)::S(H)
- Q(b);N_GUARD,P_SPINQ(b),XP(C)::S(G)
- B(f);N_GUARD,P_SPINB(f),XP(C)::S(G)
- Q(b);N_GUARD::S(G)
- Q(b);::S(H)
- B(f);::S(H)
- S(d);::S(H)
- Refutation
- S(a);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(F)::S(H)
- B(f);XP(C)::S(H)
- B(f);::S(H)
- S(d);::S(H)
- Refutation
- Q(b);XR(A)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(b);XR(A)::S(G)
- R(g);XS(G)::S(H)
- Q(b);::S(H)
- Refutation
- Q(b);XR(F)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XR(A)::S(G)
- Q(b);XR(F)::S(H)
- Q(b);N_GUARD,P_SPINQ(b),XP(C)::R(F)+P(E)
- B(f);N_GUARD,P_SPINB(f),XP(C)::R1(A)
- Q(b);::S(H)
- B(f);::S(H)
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