MESON Chess Problem Database
Problem Display
PID: 145417 (1r6/3p2R1/3p4/2R5/1P1k1B2/N2Pp3/2P3b1/4K2Q w - - 0 1)
Popov, Valery
2nd Prize, Uralski Problemist, 2005
#2
9 + 6
| 23 | Die Schwalbe | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Sxb5#
- 1...Ra8
- 2.Sb5#
- 1...Rc8
- 2.Sb5#
- 1...Rd8
- 2.Sb5#
- 1...Re8
- 2.Sb5#
- 1...Rf8
- 2.Sb5#
- 1...Rg8
- 2.Sb5#
- 1...Rh8
- 2.Sb5#
- 1...Bf1
- 2.Rc4#
- 2.Qe4#
- 2.Qd5#
- 1...Bh3
- 2.Rc4#
- 2.Qe4#
- 2.Qd5#
- 1...Be4
- 2.Qxe4#
- 1...Bd5
- 2.Qxd5#
- 1...Bc6
- 2.Rc4#
- 1...Bb7
- 2.Sb5#
- 2.Rc4#
- 1...Ba8
- 2.Rc4#
- 1...e2
- 2.Qg1#
- 1...Rb5
- Tries
- 1.Bxd6?
- threat
- 2.Be5#
- 1...e2
- 2.Qg1#
- 1...Re8
- 2.Sb5#
- 1...Bd5
- 2.Qxd5#
- 1...Rxb4!
- threat
- 1.Rgg5?
- threat
- 2.Rc4#
- 1...Rxb4
- 2.Qh8#
- 1...Rc8
- 2.Sb5#
- 1...Bd5
- 2.Rgxd5#
- 2.Qxd5#
- 1...d5
- 2.Be5#
- 1...dxc5!
- threat
- 1.Rxd7?
- threat
- 2.Be5#
- 1...Re8
- 2.Sb5#
- 1...Bd5
- 2.Qxd5#
- 1...e2
- 2.Qg1#
- 1...d5
- 2.Rc4#
- 1...Rxb4!
- threat
- 1.Re7?
- threat
- 2.Bxe3#
- 1...Be4
- 2.Rxe4#
- 2.Qxe4#
- 1...e2
- 2.Be3#
- 2.Qg1#
- 1...dxc5!
- threat
- 1.Qxg2?
- threat
- 2.Rc4#
- 2.Qe4#
- 2.Qd5#
- 1...Rxb4
- 2.Qd5#
- 1...Rc8
- 2.Sb5#
- 2.Qe4#
- 2.Qd5#
- 1...Re8
- 2.Sb5#
- 2.Rc4#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...dxc5!
- threat
- 1.Qg1?
- threat
- 2.Bxe3#
- 2.Qxe3#
- 1...Re8
- 2.Sb5#
- 1...Bd5
- 2.Qxe3#
- 1...d5
- 2.Qxe3#
- 1...dxc5!
- threat
- 1.Qh5?
- threat
- 2.Rc4#
- 1...dxc5
- 2.Qxc5#
- 2.Qe5#
- 1...Rc8
- 2.Sb5#
- 1...Bd5
- 2.Qxd5#
- 1...d5
- 2.Be5#
- 2.Qe5#
- 1...Rxb4!
- threat
- 1.Qh6?
- threat
- 2.Bxe3#
- 2.Qf6#
- 1...Rxb4
- 2.Bxe3#
- 1...Re8
- 2.Sb5#
- 1...Rf8
- 2.Sb5#
- 2.Bxe3#
- 1...Bd5
- 2.Qf6#
- 1...e2
- 2.Be3#
- 2.Qf6#
- 1...d5
- 2.Qf6#
- 1...dxc5!
- threat
- 1.Bxd6?
- Keys
- 1.Qh8!
- threat
- 2.Rg8#
- 1...Rxb4
- 2.Rgg5#
- 1...Rxh8
- 2.Sb5#
- 1...dxc5
- 2.Rxd7#
- 1...Re8
- 2.Sb5#
- 1...Rf8
- 2.Sb5#
- 1...Rg8
- 2.Sb5#
- 2.Rxg8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(f);N_GUARD::S(D),XR(f)
- R(f);N_GUARD::S(D)
- B(a);OGATE::QAR1(B),XB(a)
- B(a);::R1(H)
- P(b);OGATEB::QAB(B)
- Tries
- Try
- B(G);XP(d)
- Threat
- B(G)
- Vars
- P(b);OGATEB::QAB(B)
- R(f);N_GUARD::S(D)
- B(a);OGATE::QAR1(B),XB(a)
- Refutation
- R(f);XP(F)
- Try
- R(I);
- Threat
- R1(H)
- Vars
- R(f);N_GUARD,XP(F)::QAB(B)
- R(f);N_GUARD::S(D)
- P(d);N_GUARD::B(G)
- Refutation
- P(d);XR(H)
- Try
- R(I);P_PINP(d),XP(e)
- Threat
- B(G)
- Vars
- R(f);N_GUARD::S(D)
- B(a);N_SPINP(d),OGATE::QAR1(B),XB(a)
- P(b);OGATEB::QAB(B)
- P(d);::R1(H)
- Refutation
- R(f);XP(F)
- Try
- R(I);
- Threat
- B(G),XP(b)
- Refutation
- P(d);XR(H)
- Try
- Q(B);XB(a)
- Threat
- DUALS(3)
- Vars
- R(f);XP(F)::QAR1(B)
- P(d);::QAR1(B),XP(d)
- Refutation
- P(d);XR(H)
- Try
- Q(B);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD::S(D)
- B(a);::QAB1(B),XP(b)
- P(d);::QAB1(B),XP(b)
- Refutation
- P(d);XR(H)
- Try
- Q(B);
- Threat
- R1(H)
- Vars
- R(f);N_GUARD::S(D)
- B(a);N_GUARD::QAR1(B),XB(a)
- Refutation
- R(f);XP(F)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(f);XP(F)::B(G),XP(b)
- R(f);N_GUARD::S(D)
- B(a);::QAB(B)
- P(d);::QAB(B)
- Refutation
- P(d);XR(H)
- Try
- Actual
- Q(B);
- Threat
- QAB(B)+R(I)
- Vars
- R(f);N_GUARD,XP(F)::QAB(B)+R(I)
- R(f);N_GUARD,XQ(B)::S(D)
- P(d);XR(H)::QAB(B)+R(I),DCHECK,XP(e)
- R(f);N_GUARD::S(D)
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