MESON Chess Problem Database
Problem Display
PID: 177740 (5b2/7K/2Qpp3/1p3P1p/4p2r/N1PkN3/n1pPR1R1/nr6 w - - 0 1)
Rudenko, Valentin Fedorovich
Sp. Prize, Chepizhni-50 JT, 1985
#2
9 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxb5#
- 1...Rd1
- 2.Qxb5#
- 1...Re1
- 2.Qxb5#
- 1...Rf1
- 2.Qxb5#
- 1...Rg1
- 2.Qxb5#
- 1...Rbh1
- 2.Qxb5#
- 1...Bh6
- 2.Qxd6#
- 1...Sb3
- 2.Qxb5#
- 1...Sxc3
- 2.Qxc3#
- 1...Sb4
- 2.Qxb5#
- 1...b4
- 2.Qb5#
- 2.Qc4#
- 2.Qa6#
- 1...exf5
- 2.Qd5#
- 1...e5
- 2.Qd5#
- 1...Rc1
- Tries
- 1.Sd1?
- threat
- 2.Re3#
- 1...Sxc3
- 2.Qxc3#
- 1...Rh3
- 2.Qxe4#
- 1...Bh6
- 2.Qxd6#
- 1...e3
- 2.Rxe3#
- 1...cxd1S!
- threat
- 1.Sexc2?
- threat
- 2.Re3#
- 1...Re1
- 2.Sxe1#
- 2.Qxb5#
- 1...Rh3
- 2.Qxe4#
- 1...Bh6
- 2.Qxd6#
- 1...e3
- 2.Rxe3#
- 1...Sxc2!
- threat
- 1.Sec4?
- threat
- 2.Re3#
- 1...Re1
- 2.Sb2#
- 1...Rh3
- 2.Qxe4#
- 1...Bh6
- 2.Qxd6#
- 1...e3
- 2.Rxe3#
- 1...Sxc3!
- threat
- 1.Sg4?
- threat
- 2.Re3#
- 2.Qxe4#
- 1...Rxg4
- 2.Re3#
- 1...Sxc3
- 2.Qxc3#
- 1...exf5
- 2.Re3#
- 2.Qd5#
- 1...Re1
- 2.Qxe4#
- 2.Qxb5#
- 1...Rb4
- 2.Re3#
- 1...Rh3
- 2.Qxe4#
- 1...Bh6
- 2.Qxe4#
- 2.Qxd6#
- 1...e3
- 2.Rxe3#
- 1...d5
- 2.Se5#
- 2.Re3#
- 1...hxg4+!
- threat
- 1.Sd5?
- threat
- 2.Re3#
- 1...Sxc3
- 2.Qxc3#
- 1...e3
- 2.Rxe3#
- 1...Re1
- 2.Qxb5#
- 1...Rh3
- 2.Sf4#
- 1...Bh6!
- threat
- 1.Sd1?
- Keys
- 1.Sf1!
- threat
- 2.Re3#
- 1...Sxc3
- 2.Qxc3#
- 1...Re1
- 2.Qxb5#
- 1...Rh3
- 2.Qxe4#
- 1...Bh6
- 2.Qxd6#
- 1...e3
- 2.Rxe3#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::QAB(H),XP(h)
- B(l);N_GUARD::QAR(H),XP(j)
- S(a);S_CUTR(b)::QAB(H),XP(h)
- S(c);OGATE,XP(E)::QAR1(H),XS(c)
- S(c);S_CUTR(b)::QAB(H),XP(h)
- P(k);N_GUARD,XP(G)::QAR2(H)
- P(k);N_GUARD::QAR2(H)
- Tries
- Try
- S(F);
- Threat
- R1(B)
- Vars
- S(c);OGATE,XP(E)::QAR1(H),XS(c)
- R(g);N_GUARD::QAB1(H),XP(f)
- B(l);N_GUARD::QAR(H),XP(j)
- P(f);::R1(B),XP(f)
- Refutation
- P(d);XS(F)
- Try
- S(F);XP(d)
- Threat
- R1(B)
- Vars
- R(g);N_GUARD::QAB1(H),XP(f)
- B(l);N_GUARD::QAR(H),XP(j)
- P(f);::R1(B),XP(f)
- Refutation
- S(a);XS(F)
- Try
- S(F);
- Threat
- R1(B)
- Vars
- R(b);N_GUARD::S(F)
- R(g);N_GUARD::QAB1(H),XP(f)
- B(l);N_GUARD::QAR(H),XP(j)
- P(f);::R1(B),XP(f)
- Refutation
- S(c);XP(E)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(g);XS(F)::R1(B)
- S(c);OGATE,XP(E)::QAR1(H),XS(c)
- R(b);::R1(B)
- R(g);::QAB1(H),XP(f)
- P(f);::R1(B),XP(f)
- Refutation
- P(i);CHECK,XS(F)
- Try
- S(F);
- Threat
- R1(B)
- Vars
- S(c);OGATE,XP(E)::QAR1(H),XS(c)
- P(f);::R1(B),XP(f)
- R(b);N_GUARD::QAB(H),XP(h)
- R(g);N_GUARD::S(F)
- Refutation
- B(l);
- Try
- Actual
- S(F);
- Threat
- R1(B)
- Vars
- S(c);OGATE,XP(E)::QAR1(H),XS(c)
- R(b);N_GUARD::QAB(H),XP(h)
- R(g);N_GUARD::QAB1(H),XP(f)
- B(l);N_GUARD::QAR(H),XP(j)
- P(f);::R1(B),XP(f)
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