MESON Chess Problem Database
Problem Display
PID: 168476 (2Rb4/3NpKn1/r1PkP3/p1R5/B1P3pB/4Np2/6q1/3r4 w - - 0 1)
Petite, Efren
2nd HM., Suomen Shakki, 1955
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Bg3#
- 1...Qh1
- 2.Bg3#
- 1...Qa2
- 2.Bg3#
- 1...Qc2
- 2.Bg3#
- 1...Qd2
- 2.Bg3#
- 1...Qe2
- 2.Bg3#
- 1...Qg3
- 2.Bxg3#
- 1...Ra1
- 2.Rd5#
- 1...Rb1
- 2.Rd5#
- 1...Rc1
- 2.Rd5#
- 1...Re1
- 2.Rd5#
- 1...Rf1
- 2.Rd5#
- 1...Rg1
- 2.Rd5#
- 1...Rh1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Rxc6
- 2.R5xc6#
- 2.R8xc6#
- 1...Bb6
- 2.Bxe7#
- 1...Bc7
- 2.Bxe7#
- 1...Sf5
- 2.Sxf5#
- 1...Sh5
- 2.Sf5#
- 1...Sxe6
- 2.Sf5#
- 1...Se8
- 2.Sf5#
- 1...Qf1
- Tries
- 1.Bxd1?
- threat
- 2.Rd5#
- 1...Qd2
- 2.Bg3#
- 1...Bc7
- 2.Bxe7#
- 1...f2!
- threat
- 1.Rxa5?
- threat
- 2.c5#
- 1...Rxc6
- 2.Rxc6#
- 1...Sxe6
- 2.Sf5#
- 1...Qc2
- 2.Bg3#
- 1...Rc1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bb6
- 2.Bxe7#
- 1...Rxa5!
- threat
- 1.Re5?
- threat
- 2.c5#
- 1...Rxc6
- 2.Rxc6#
- 1...Sxe6
- 2.Sf5#
- 2.Rxe6#
- 1...Rc1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bb6
- 2.Bxe7#
- 1...Qc2!
- threat
- 1.Rf5?
- threat
- 2.c5#
- 1...Rxc6
- 2.Rxc6#
- 1...Qc2
- 2.Bg3#
- 1...Rc1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bb6
- 2.Bxe7#
- 1...Sxe6!
- threat
- 1.Rg5?
- threat
- 2.c5#
- 1...Rxc6
- 2.Rxc6#
- 1...Sxe6
- 2.Sf5#
- 1...Qc2
- 2.Bg3#
- 1...Rc1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bb6!
- threat
- 1.Bxd1?
- Keys
- 1.Rh5!
- threat
- 2.c5#
- 1...Rxc6
- 2.Rxc6#
- 1...Sxe6
- 2.Sf5#
- 1...Qc2
- 2.Bg3#
- 1...Rc1
- 2.Rd5#
- 1...Rd5
- 2.Rxd5#
- 1...Bb6
- 2.Bxe7#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(b);N_GUARD::B(D)
- Q(b);N_GUARD::B(D),XQ(b)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- B(j);N_GUARD::B(D),XP(h)
- S(i);N_GUARD::S(A),XS(i)
- S(i);N_GUARD::S(A)
- S(i);N_GUARD,XP(G)::S(A)
- Tries
- Try
- B(B);XR(a)
- Threat
- R1(E)
- Vars
- Q(b);N_GUARD::B(D)
- B(j);N_GUARD::B(D),XP(h)
- Refutation
- P(c);
- Try
- R(E);XP(e)
- Threat
- P(C)
- Vars
- R(f);OGATE,XP(F)::R1(J),XR(f)
- S(i);N_GUARD,XP(G)::S(A)
- Q(b);N_GUARD::B(D)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- B(j);N_GUARD::B(D),XP(h)
- Refutation
- R(f);XR(E)
- Try
- R(E);
- Threat
- P(C)
- Vars
- R(f);OGATE,XP(F)::R1(J),XR(f)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- B(j);N_GUARD::B(D),XP(h)
- Refutation
- Q(b);
- Try
- R(E);
- Threat
- P(C)
- Vars
- R(f);OGATE,XP(F)::R1(J),XR(f)
- Q(b);N_GUARD::B(D)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- B(j);N_GUARD::B(D),XP(h)
- Refutation
- S(i);XP(G)
- Try
- R(E);
- Threat
- P(C)
- Vars
- R(f);OGATE,XP(F)::R1(J),XR(f)
- S(i);N_GUARD,XP(G)::S(A)
- Q(b);N_GUARD::B(D)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- Refutation
- B(j);
- Try
- Actual
- R(E);
- Threat
- P(C)
- Vars
- R(f);OGATE,XP(F)::R1(J),XR(f)
- S(i);N_GUARD,XP(G)::S(A)
- Q(b);N_GUARD::B(D)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- B(j);N_GUARD::B(D),XP(h)
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