MESON Chess Problem Database
Problem Display
PID: 209064 (1bB4K/8/4P3/NNpPpR2/2r1kP2/1P1nP2Q/b2R1PP1/6r1 w - - 0 1)
Ducak, Jan
Sachova skladba, 2015
#2
14 + 8
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Sxc3#
- 1...Ra4
- 2.Sc3#
- 1...Rb4
- 2.Sc3#
- 1...Rd4
- 2.Sc3#
- 1...Rc3
- Tries
- 1.Sxc4?
- threat
- 2.Sc3#
- 1...Kxd5
- 2.Qf3#
- 1...Rc1!
- threat
- 1.Rg5?
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Bb7#
- 1...Rxg2
- 2.Qxg2#
- 1...Se1
- 2.Qf5#
- 2.Qh7#
- 1...Rh1!
- threat
- 1.Rf6?
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Bb7#
- 1...Rxg2
- 2.Qxg2#
- 1...exf4
- 2.Qf5#
- 1...Se1
- 2.Qf5#
- 2.Qh7#
- 1...Rh1!
- threat
- 1.Rf7?
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Bb7#
- 1...Rxg2
- 2.Qxg2#
- 1...exf4
- 2.Qf5#
- 1...Se1
- 2.Qf5#
- 2.Qh7#
- 1...Rh1!
- threat
- 1.Rf8?
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Bb7#
- 1...Rxg2
- 2.Qxg2#
- 1...exf4
- 2.Qf5#
- 1...Se1
- 2.Qf5#
- 2.Qh7#
- 1...Rh1!
- threat
- 1.Qh7?
- threat
- 2.Rxe5#
- 1...Kxd5
- 2.Qb7#
- 1...Sxf4
- 2.Rxf4#
- 1...exf4
- 2.Rg5#
- 2.Rh5#
- 1...Rxg2!
- threat
- 1.f3+?
- 1...Kxe3
- 2.Sxc4#
- 1...Kxd5!
- 1...Kxe3
- 1.d6?
- threat
- 2.Bb7#
- 1...Kd5
- 2.Rxe5#
- 1...Rd4
- 2.Sc3#
- 1...Sb4
- 2.Rxe5#
- 1...Sxf4!
- threat
- 1.Sxc4?
- Keys
- 1.Rh5!
- threat
- 2.Qf3#
- 1...Kxd5
- 2.Bb7#
- 1...Rxg2
- 2.Qxg2#
- 1...Se1
- 2.Qf5#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD::S(I),XR(d)
- R(d);N_GUARD::S(I)
- Tries
- Try
- S(H);XR(d)
- Threat
- S(I)
- Vars
- K(e);P_SPINP(g),P_SPINS(c),S_FLIGHT,XP(J)::QAB(F)
- Refutation
- R(a);
- Try
- R(K);
- Threat
- QAB1(F)
- Vars
- K(e);OGATEB,P_SPINP(g),P_SPINS(c),S_FLIGHT,XP(J)::B(M)
- R(a);OGATE,XP(C)::QAB(F),XR(a)
- Refutation
- R(a);P_PINQ(F)
- Try
- R(K);
- Threat
- QAB1(F)
- Vars
- K(e);OGATEB,P_SPINS(c),S_FLIGHT,XP(J)::B(M)
- R(a);OGATE,XP(C)::QAB(F),XR(a)
- P(g);XP(G)::QAB1(F)
- Refutation
- R(a);P_PINQ(F)
- Try
- R(K);
- Threat
- QAB1(F)
- Vars
- K(e);OGATEB,P_SPINS(c),S_FLIGHT,XP(J)::B(M)
- R(a);OGATE,XP(C)::QAB(F),XR(a)
- P(g);XP(G)::QAB1(F)
- Refutation
- R(a);P_PINQ(F)
- Try
- R(K);
- Threat
- QAB1(F)
- Vars
- K(e);OGATEB,P_SPINS(c),S_FLIGHT,XP(J)::B(M)
- R(a);OGATE,XP(C)::QAB(F),XR(a)
- P(g);XP(G)::QAB1(F)
- Refutation
- R(a);P_PINQ(F)
- Try
- Q(F);
- Threat
- QAB(F)+R(K),DCHECK,XP(g)
- Vars
- K(e);OGATEB,P_SPINP(g),P_SPINS(c),S_FLIGHT,XP(J)::QAB(F)
- S(c);OGATE,XP(G)::QAB(F)+R(K),DCHECK,XS(c)
- Refutation
- R(a);XP(C)
- Try
- P(B);CHECK
- Vars
- K(e);P-FLIGHT,XP(E)::S(H),XR(d)
- Refutation
- K(e);P_SPINP(g),P_SPINS(c),S_FLIGHT,XP(J)
- Try
- P(J);
- Threat
- B(M)
- Vars
- K(e);P_SPINP(g),P_SPINS(c),S_FLIGHT::R1(K),XP(g)
- R(d);N_GUARD::S(I)
- S(c);N_GUARD::R1(K),XP(g)
- Refutation
- S(c);XP(G)
- Try
- Actual
- R(K);
- Threat
- QAB1(F)
- Vars
- K(e);OGATEB,P_SPINP(g),P_SPINS(c),S_FLIGHT,XP(J)::B(M)
- R(a);OGATE,XP(C)::QAB(F),XR(a)
- S(c);::QAB1(F)
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