MESON Chess Problem Database
Problem Display
PID: 246732 (8/3P2q1/2p2b2/3R2r1/KPkpQ3/3p4/8/B7 w - - 0 1)
Vinokurov, Vadim Konstantinovich
Uralski Problemist, 1997
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rc5#
- 1...Rg2
- 2.Rc5#
- 1...Rg3
- 2.Rc5#
- 1...Rg4
- 2.Rc5#
- 1...Re5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rg6
- 2.Rc5#
- 1...Be5
- 2.Rc5#
- 1...Rg1
- Tries
- 1.Re5?
- threat
- 2.Qxc6#
- 2.Qxd4#
- 1...Rxe5
- 2.Qxd4#
- 1...Bxe5
- 2.Qxc6#
- 1...Qf8
- 2.Qxd4#
- 1...Qe7
- 2.Qxd4#
- 1...Rg4
- 2.Rc5#
- 2.Qxc6#
- 1...Be7
- 2.Qxd4#
- 1...d2
- 2.Qc2#
- 2.Qxd4#
- 1...c5
- 2.Qd5#
- 1...Qxd7!
- threat
- 1.Qg2?
- threat
- 2.Qa2#
- 1...Rxg2
- 2.Rc5#
- 1...d2!
- threat
- 1.Qe6?
- threat
- 2.Rxd4#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 2.Qxc6#
- 1...Qxd7
- 2.Rxd4#
- 2.Rc5#
- 1...cxd5
- 2.Qa6#
- 2.Qc6#
- 1...d2
- 2.Rxd4#
- 1...Qf8
- 2.Rxd4#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 1...Qe7
- 2.Rxd4#
- 2.Rc5#
- 1...Qf7
- 2.Rxd4#
- 2.Rc5#
- 2.Qxc6#
- 1...Qg8
- 2.Rxd4#
- 2.Rc5#
- 2.Qxc6#
- 1...Rg1
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Qxc6#
- 1...Rg2
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Qxc6#
- 1...Rg3
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Qxc6#
- 1...Rg4
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Qxc6#
- 1...Re5
- 2.Rxd4#
- 2.Rc5#
- 2.Rxe5#
- 2.Qxc6#
- 1...Rf5
- 2.Rxd4#
- 2.Rc5#
- 2.Re5#
- 2.Rxf5#
- 2.Qxc6#
- 1...Rh5
- 2.Rxd4#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 2.Qxc6#
- 1...Rg6
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Rd6#
- 2.Qxc6#
- 1...Be5
- 2.Rxd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rxe5#
- 2.Rd6#
- 2.Qxc6#
- 1...Be7
- 2.Rxd4#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 1...c5
- 2.Rxd4#
- 2.Rxc5#
- 2.Re5#
- 2.Rf5#
- 2.Rxg5#
- 1...Rxd5!
- threat
- 1.Re5?
- Keys
- 1.Qe5!
- threat
- 2.Rxd4#
- 2.Rc5#
- 1...Qxd7
- 2.Rc5#
- 1...Rxe5
- 2.Rxd4#
- 1...Bxe5
- 2.Rc5#
- 1...cxd5
- 2.Qc7#
- 1...d2
- 2.Rxd4#
- 1...Qf8
- 2.Rxd4#
- 1...Qe7
- 2.Rxd4#
- 1...Rg4
- 2.Rc5#
- 1...Be7
- 2.Rxd4#
- 1...c5
- 2.Rxc5#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD::R1(E)
- B(f);S_CUTR(d)::R1(E)
- Tries
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(d);XR(E)::QAR1(D),XP(c)
- B(f);XR(E)::QAR2(D),XP(e)
- Q(g);::QAR1(D),XP(c)
- B(f);::QAR1(D),XP(c)
- P(e);N_GUARD::QAB1(D)
- Refutation
- Q(g);XP(F)
- Try
- Q(D);N_PINP(c)
- Threat
- QAB(D)
- Vars
- R(d);N_GUARD,XQ(D)::R1(E)
- Refutation
- P(a);
- Try
- Q(D);N_PINP(c)
- Threat
- DUALS(6)
- Vars
- P(a);::QAB(D)+R(E),DCHECK,XP(c)
- Refutation
- R(d);P_SPINR(d),XR(E)
- Try
- Actual
- Q(D);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- Q(g);XP(F)::R1(E)
- R(d);XQ(D)::R1(E),XP(c)
- B(f);XQ(D)::R1(E)
- P(e);OGATEB,SBLOCK,XR(E)::QAR(D)
- P(a);::R1(E),XP(c)
- Q(g);::R1(E),XP(c)
- R(d);::R1(E)
- B(f);::R1(E),XP(c)
- P(e);::R1(E),XP(e)
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