MESON Chess Problem Database
Problem Display
PID: 177846 (3Qb3/4n2N/1r1pp2N/2P1k1r1/5p1B/1R1R1P2/6P1/5K2 w - - 0 1)
Pokorny, Gennady
Sahs (Latvia), 1983
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxg2
- 2.Bf6#
- 1...Rg3
- 2.Bf6#
- 1...Rg4
- 2.Bf6#
- 1...Rf5
- 2.Sg4#
- 1...Rh5
- 2.Bf6#
- 1...Rg7
- 2.Bf6#
- 1...Rg8
- 2.Bf6#
- 1...Rxb3
- 2.Qxd6#
- 1...Rb4
- 2.Qxd6#
- 1...Rb5
- 2.Qxd6#
- 1...Rb7
- 2.Qxd6#
- 1...Rb8
- 2.Qxd6#
- 1...Bc6
- 2.Qxd6#
- 1...Bg6
- 2.Qh8#
- 1...Sd5
- 2.Qxg5#
- 1...Sf5
- 2.Qf6#
- 1...Sc6
- 2.Qxg5#
- 2.Qf6#
- 2.Qxd6#
- 1...Sg6
- 2.Qxg5#
- 2.Qf6#
- 1...Sc8
- 2.Qxg5#
- 2.Qf6#
- 1...Sg8
- 2.Qxg5#
- 1...Rxg2
- Tries
- 1.Be1?
- threat
- 2.Bc3#
- 1...Rxb3
- 2.Qxd6#
- 1...Rb4
- 2.Qxd6#
- 1...Sd5
- 2.Qxg5#
- 1...Sf5
- 2.Qf6#
- 1...Sc6
- 2.Qxg5#
- 2.Qf6#
- 2.Qxd6#
- 1...d5!
- threat
- 1.Rb1?
- threat
- 2.Re1#
- 1...Rxg2
- 2.Bf6#
- 1...Rb2
- 2.Qxd6#
- 1...Rb4
- 2.Qxd6#
- 1...Bc6
- 2.Qxd6#
- 1...Bg6
- 2.Qh8#
- 1...Sd5
- 2.Qxg5#
- 1...Sf5
- 2.Qf6#
- 1...Rxb1+!
- threat
- 1.Rb4?
- threat
- 2.Re4#
- 1...Rxb4
- 2.Qxd6#
- 1...Bc6
- 2.Qxd6#
- 1...Bg6
- 2.Qh8#
- 1...d5!
- threat
- 1.Rxb6?
- threat
- 2.Qxd6#
- 1...dxc5
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 1...d5
- 2.Qc7#
- 2.Qd6#
- 2.Qb8#
- 1...Sf5
- 2.Qf6#
- 1...Sc8
- 2.Qxg5#
- 2.Qf6#
- 1...Bd7!
- threat
- 1.Qxe7?
- threat
- 2.Qxg5#
- 2.Qf6#
- 1...Rxg2
- 2.Bf6#
- 2.Qf6#
- 1...Rg3
- 2.Bf6#
- 2.Qf6#
- 1...Rg4
- 2.Bf6#
- 2.Qf6#
- 1...Rf5
- 2.Sg4#
- 1...Rh5
- 2.Bf6#
- 2.Qf6#
- 2.Qg7#
- 1...Rg7
- 2.Bf6#
- 2.Qf6#
- 2.Qxg7#
- 1...Rg8
- 2.Bf6#
- 2.Qf6#
- 1...Bg6
- 2.Qf6#
- 2.Qg7#
- 1...Rg6!
- threat
- 1.cxb6?
- threat
- 2.Qxd6#
- 1...d5
- 2.Qc7#
- 2.Qb8#
- 1...Sd5
- 2.Qxg5#
- 1...Sf5
- 2.Qf6#
- 1...Sc8
- 2.Qxg5#
- 2.Qf6#
- 1...Bd7!
- threat
- 1.Be1?
- Keys
- 1.Rb2!
- threat
- 2.Re2#
- 1...Rxg2
- 2.Bf6#
- 1...Rxb2
- 2.Qxd6#
- 1...Rb4
- 2.Qxd6#
- 1...Bc6
- 2.Qxd6#
- 1...Bg6
- 2.Qh8#
- 1...Sd5
- 2.Qxg5#
- 1...Sf5
- 2.Qf6#
- threat
- 1.Rb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(c);OGATE,XP(B)::B(F)
- R(c);OGATE::B(F)
- R(c);N_GUARD,SBLOCK::S(H)
- R(d);N_GUARD,XR(C)::QAB1(J),XP(e)
- R(d);N_GUARD::QAB1(J),XP(e)
- B(h);S_CUTR(d)::QAB1(J),XP(e)
- B(h);OGATE::QAB(J)
- S(g);OGATE::QAR2(J),XR(c)
- S(g);OGATE::QAB1(J)
- Tries
- Try
- B(F);
- Threat
- B(F)
- Vars
- R(d);N_GUARD,XR(C)::QAB1(J),XP(e)
- R(d);N_GUARD::QAB1(J),XP(e)
- S(g);OGATE::QAR2(J),XR(c)
- S(g);OGATE::QAB1(J)
- Refutation
- P(e);
- Try
- R(C);
- Threat
- R(C)
- Vars
- R(c);OGATE,XP(B)::B(F)
- R(d);N_GUARD::QAB1(J),XP(e)
- B(h);S_CUTR(d)::QAB1(J),XP(e)
- B(h);OGATE::QAB(J)
- S(g);OGATE::QAR2(J),XR(c)
- S(g);OGATE::QAB1(J)
- Refutation
- R(d);CHECK,XR(C)
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(d);N_GUARD,XR(C)::QAB1(J),XP(e)
- B(h);S_CUTR(d)::QAB1(J),XP(e)
- B(h);OGATE::QAB(J)
- Refutation
- P(e);
- Try
- R(C);XR(d)
- Threat
- QAB1(J),XP(e)
- Vars
- S(g);OGATE::QAB1(J)
- Refutation
- B(h);
- Try
- Q(J);P_PINP(f),XS(g)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD,SBLOCK::S(H)
- Refutation
- R(c);
- Try
- P(G);XR(d)
- Threat
- QAB1(J),XP(e)
- Vars
- S(g);OGATE::QAR2(J),XR(c)
- S(g);OGATE::QAB1(J)
- Refutation
- B(h);
- Try
- Actual
- R(C);
- Threat
- R(C)
- Vars
- R(c);OGATE,XP(B)::B(F)
- R(d);N_GUARD,XR(C)::QAB1(J),XP(e)
- R(d);N_GUARD::QAB1(J),XP(e)
- B(h);S_CUTR(d)::QAB1(J),XP(e)
- B(h);OGATE::QAB(J)
- S(g);OGATE::QAR2(J),XR(c)
- S(g);OGATE::QAB1(J)
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