MESON Chess Problem Database
Problem Display
PID: 163854 (7q/1p2N1p1/7r/3p3r/2k5/1R1N3p/PBn2P1Q/2KR3B w - - 0 1)
Zabirokhin, Piotr
Zadachi i Etyudi, 2014
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Bxd5#
- 1...Rh7
- 2.Qc7#
- 1...Sa1
- 2.Rb4#
- 1...Se1
- 2.Rb4#
- 1...Sa3
- 2.Rb4#
- 1...Se3
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...Sd4
- 2.Rb4#
- 1...g5
- 2.Bxd5#
- 1...g6
- 2.Qc7#
- 1...Rh4
- Tries
- 1.Se5+?
- 1...Kc5
- 2.Rxd5#
- 1...Rxe5!
- 1...Kc5
- 1.Bd4?
- threat
- 2.Sb2#
- 1...Kxd4
- 2.Qf4#
- 1...Sb4
- 2.Rxb4#
- 1...Sxd4!
- threat
- 1.Rc3+?
- 1...Kd4
- 2.Se1#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Rxc2#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qf4#
- 1...Kb5!
- 1...Kd4
- 1.Qf4+?
- 1...Sd4
- 2.Rb4#
- 2.Qxd4#
- 1...d4!
- 1...Sd4
- 1.Qe5?
- threat
- 2.Bxd5#
- 2.Qc3#
- 1...Sb4
- 2.Rxb4#
- 1...Qd8
- 2.Qc3#
- 1...Qg8
- 2.Qc3#
- 1...Rd6
- 2.Qc3#
- 1...Se3
- 2.Rb4#
- 2.Qc3#
- 2.Qd4#
- 1...Sd4
- 2.Bxd5#
- 2.Rb4#
- 2.Qxd4#
- 1...d4
- 2.Bd5#
- 1...g5
- 2.Bxd5#
- 2.Qxd5#
- 1...g6
- 2.Bxd5#
- 2.Qc7#
- 1...Rxe5!
- threat
- 1.f3?
- threat
- 2.Qxc2#
- 1...Sb4
- 2.Rxb4#
- 1...Sa1
- 2.Rb4#
- 1...Se1
- 2.Rb4#
- 1...Sa3
- 2.Rb4#
- 1...Se3
- 2.Rb4#
- 1...Sd4
- 2.Rb4#
- 1...g6
- 2.Qc7#
- 1...g5!
- threat
- 1.f4?
- threat
- 2.Qxc2#
- 1...Sb4
- 2.Rxb4#
- 1...Sa1
- 2.Rb4#
- 1...Se1
- 2.Rb4#
- 1...Sa3
- 2.Rb4#
- 1...Se3
- 2.Rb4#
- 1...Sd4
- 2.Rb4#
- 1...g5
- 2.Bxd5#
- 1...g6!
- threat
- 1.Se5+?
- Keys
- 1.Rd2!
- threat
- 2.Rxc2#
- 1...Sb4
- 2.Rxb4#
- 1...Sa1
- 2.Rb4#
- 1...Se1
- 2.Rb4#
- 1...Sa3
- 2.Rb4#
- 1...Se3
- 2.Rb4#
- 1...Sd4
- 2.Rb4#
- 1...g5
- 2.Bxd5#
- 1...g6
- 2.Qc7#
- threat
- 1.Rd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::B(C),XP(d)
- R(f);N_GUARD::QAR(G)
- S(a);N_GUARD::R1(H)
- S(a);N_GUARD::R1(H),XS(a)
- P(h);S_CUTR(e)::B(C),XP(d)
- P(h);S_CUTR(f)::QAR(G)
- Tries
- Try
- S(I);CHECK
- Vars
- K(c);P-FLIGHT::R1(B),XP(d)
- Refutation
- R(e);XS(I)
- Try
- B(E);
- Threat
- S(I)
- Vars
- K(c);OGATEB,P-FLIGHT,XB(E)::QAR2(G)
- S(a);N_GUARD::R1(H),XS(a)
- Refutation
- S(a);XB(E)
- Try
- R(H);CHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Q(G);CHECK
- Refutation
- P(d);P_SPINP(d)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(H),XS(a)
- Q(i);::QAR1(G)
- R(f);::QAR1(G)
- P(d);::B(C)
- Refutation
- R(e);XQ(G)
- Try
- P(F);
- Threat
- QAR2(G),XS(a)
- Vars
- S(a);N_GUARD::R1(H),XS(a)
- S(a);N_GUARD::R1(H)
- P(h);S_CUTR(f)::QAR(G)
- Refutation
- P(h);
- Try
- P(F);
- Threat
- QAR2(G),XS(a)
- Vars
- S(a);N_GUARD::R1(H),XS(a)
- S(a);N_GUARD::R1(H)
- P(h);S_CUTR(e)::B(C),XP(d)
- Refutation
- P(h);
- Try
- Actual
- R(B);
- Threat
- R(B),XS(a)
- Vars
- S(a);N_GUARD::R1(H),XS(a)
- S(a);N_GUARD::R1(H)
- P(h);S_CUTR(e)::B(C),XP(d)
- P(h);S_CUTR(f)::QAR(G)
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