MESON Chess Problem Database
Problem Display
PID: 86241 (2R5/2NK2p1/3bP3/1p5r/2kB1NR1/Pp1r4/4B2p/7Q w - - 0 1)
Golubev, ?
Loshinski, Lev Ilich
Grantham Journal, 1935
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Qd5#
- 1...Rh4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Rh6
- 2.Qd5#
- 1...Rh7
- 2.Qd5#
- 1...Rh8
- 2.Qd5#
- 1...Be5
- 2.Qd5#
- 1...g5
- 2.Qd5#
- 1...Rh3
- Tries
- 1.Sxd3?
- threat
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Be5#
- 2.Qc1#
- 1...Bxa3
- 2.Ba1#
- 2.Bb2#
- 2.Be5#
- 2.Bf6#
- 2.Bxg7#
- 1...Bxc7
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Ba1#
- 2.Bb2#
- 2.Be5#
- 2.Bf6#
- 2.Bxg7#
- 1...b2
- 2.Sc1#
- 2.Sc5#
- 1...Rh3
- 2.Sb2#
- 2.Se5#
- 2.Be5#
- 2.Qd5#
- 2.Qc1#
- 1...Rh4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Qd5#
- 2.Qc1#
- 1...Rc5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sxc5#
- 2.Se5#
- 2.Be5#
- 2.Qc1#
- 1...Rd5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Qxd5#
- 2.Qc1#
- 1...Re5
- 2.Sb2#
- 2.Sxe5#
- 2.Bxe5#
- 2.Qc1#
- 1...Rf5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Qc1#
- 1...Rg5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Qc1#
- 1...Bg3
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Se5#
- 2.Qc1#
- 1...Bb4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 2.Se5#
- 2.Ba1#
- 2.Bb2#
- 2.Be5#
- 2.Bf6#
- 2.Bxg7#
- 1...Bc5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sxc5#
- 2.Se5#
- 2.Qc1#
- 1...Be5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sb4#
- 2.Sc5#
- 2.Sxe5#
- 2.Bxe5#
- 2.Qd5#
- 2.Qc6#
- 2.Qc1#
- 1...b4
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sc5#
- 2.Se5#
- 2.Be5#
- 2.Qc1#
- 1...Bf4!
- threat
- 1.Sxh5?
- threat
- 2.Qd5#
- 2.Qc1#
- 1...Bxc7
- 2.Rxc7#
- 2.Qc6#
- 1...Bf4
- 2.Qd5#
- 1...b2
- 2.Qd5#
- 1...Bb4
- 2.Qd5#
- 1...Bxa3!
- threat
- 1.Sxb5+?
- 1...Rc5
- 2.Bxd3#
- 1...Bc5
- 2.Bxd3#
- 1...Bc7
- 2.Bxd3#
- 1...Kxb5!
- 1...Rc5
- 1.Ba1?
- threat
- 2.Qc1#
- 1...Bxa3+
- 2.Sxd3#
- 1...Bb4+
- 2.Sxd3#
- 1...Bxf4+
- 2.Sd5#
- 1...Bc5+
- 2.Bxd3#
- 1...Be5+
- 2.Qd5#
- 1...Bxc7+
- 2.Sxd3#
- 1...Be7+
- 2.Sxd3#
- 1...Bf8+
- 2.Sxd3#
- 1...Kc5
- 2.Qc6#
- 1...b2!
- threat
- 1.Qe4?
- threat
- 2.Bxd3#
- 2.Qxd3#
- 1...b2
- 2.Qxd3#
- 1...Rh3
- 2.Qd5#
- 1...Bxa3!
- threat
- 1.Qa1?
- threat
- 2.Bxd3#
- 2.Qc3#
- 1...Bxa3
- 2.Qc3#
- 1...Bxf4
- 2.Qc3#
- 1...Rh3
- 2.Qc3#
- 1...Bb4
- 2.Bxd3#
- 1...b4
- 2.Bxd3#
- 1...b2!
- threat
- 1.Sxd3?
- Keys
- 1.Bb2!
- threat
- 2.Qc1#
- 1...Bxa3+
- 2.Sxd3#
- 1...Bb4+
- 2.Sxd3#
- 1...Bxf4+
- 2.Sd5#
- 1...Bc5+
- 2.Bxd3#
- 1...Be5+
- 2.Qd5#
- 1...Bxc7+
- 2.Sxd3#
- 1...Be7+
- 2.Sxd3#
- 1...Bf8+
- 2.Sxd3#
- 1...Kc5
- 2.Qc6#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::QAB1(A)
- R(f);N_GUARD::QAB1(A),XR(f)
- B(g);P_PINB(D),S_CUTR(f)::QAB1(A)
- P(h);S_CUTR(f)::QAB1(A)
- Tries
- Try
- S(E);XR(c)
- Threat
- DUALS(9)
- Refutation
- B(g);
- Try
- S(E);XR(f)
- Threat
- DUALS(2)
- Vars
- B(g);P_PINB(D)::QAB1(A)
- P(b);::QAB1(A)
- Refutation
- B(g);P_PINB(D),XP(C)
- Try
- S(H);CHECK,XP(e)
- Vars
- R(f);::B(B),XR(c)
- B(g);P_PINB(D),P_SPINB(g)::B(B),XR(c)
- Refutation
- K(d);S_FLIGHT,XS(H)
- Try
- B(D);
- Threat
- QAR(A)
- Vars
- B(g);CHECK,N_GUARD,XP(C)::R(F)+S(E),XR(c)
- B(g);CHECK,N_GUARD::R(F)+S(E),XR(c)
- B(g);CHECK,N_GUARD,P_SPINB(g),XS(E)::R(J)+S(H)
- B(g);CHECK,SBLOCK::B(B),XR(c)
- B(g);CHECK,S_CUTR(f)::QAB1(A)
- B(g);CHECK,N_GUARD,P_SPINB(g),XS(H)::R(F)+S(E),XR(c)
- K(d);N_SPINR(c),P-FLIGHT::QAR1(A)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);::QAB1(A),XR(c)
- R(f);N_GUARD::QAB1(A)
- Refutation
- B(g);P_PINB(D),XP(C)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(g);P_PINB(D),XP(C)::QAR1(A)
- B(g);P_PINB(D),XS(E)::QAR1(A)
- R(f);::QAR1(A)
- B(g);P_PINB(D)::B(B),XR(c)
- P(e);::B(B),XR(c)
- Refutation
- P(b);
- Try
- Actual
- B(D);
- Threat
- QAR(A)
- Vars
- B(g);CHECK,N_GUARD,XP(C)::R(F)+S(E),XR(c)
- B(g);CHECK,N_GUARD::R(F)+S(E),XR(c)
- B(g);CHECK,N_GUARD,P_SPINB(g),XS(E)::R(J)+S(H)
- B(g);CHECK,SBLOCK::B(B),XR(c)
- B(g);CHECK,S_CUTR(f)::QAB1(A)
- B(g);CHECK,N_GUARD,P_SPINB(g),XS(H)::R(F)+S(E),XR(c)
- K(d);N_SPINR(c),P-FLIGHT::QAR1(A)
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