MESON Chess Problem Database
Problem Display
PID: 225749 (kB6/pN1R3K/p7/8/2pP4/3p4/1q4QP/1R4nB w - - 0 1)
Salai, Ladislav
Praca, 1998
#2
9 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kxb8
- 2.Qg8#
- 1...Qxb7
- 2.Qxb7#
- 1...Kxb8
- Tries
- 1.Sa5+?
- 1...Kxb8
- 2.Qa8#
- 2.Qg8#
- 1...Qxg2
- 2.Rxa7#
- 1...Qb7
- 2.Qxb7#
- 1...Sf3!
- 1...Kxb8
- 1.Sc5+?
- 1...Kxb8
- 2.Qa8#
- 2.Qg8#
- 1...Qxg2
- 2.Rxa7#
- 1...Qb7
- 2.Qxb7#
- 1...Sf3!
- 1...Kxb8
- 1.Sd6+?
- 1...Kxb8
- 2.Rxb2#
- 2.Qa8#
- 2.Qxb2#
- 2.Qg8#
- 1...Qxg2
- 2.Rxa7#
- 1...Qb7
- 2.Qxb7#
- 1...Sf3!
- 1...Kxb8
- 1.Sd8+?
- 1...Kxb8
- 2.Qa8#
- 1...Qxg2
- 2.Rxa7#
- 1...Qb7
- 2.Qxb7#
- 1...Sf3!
- 1...Kxb8
- 1.Bf4?
- threat
- 2.Rd8#
- 2.Qg8#
- 1...Qxd4
- 2.Qg8#
- 1...Qxg2
- 2.Rd8#
- 1...Qxb7
- 2.Qxb7#
- 2.Qg8#
- 1...Sf3
- 2.Qg8#
- 1...Qa3
- 2.Rd8#
- 1...Qe2
- 2.Rd8#
- 1...Qb4
- 2.Rd8#
- 1...Qb6!
- threat
- 1.Be5?
- threat
- 2.Rd8#
- 2.Qg8#
- 1...Qxd4
- 2.Qg8#
- 1...Qxg2
- 2.Rd8#
- 1...Qxb7
- 2.Qxb7#
- 2.Qg8#
- 1...Sf3
- 2.Qg8#
- 1...Qa3
- 2.Rd8#
- 1...Qf2
- 2.Rd8#
- 1...Qb4
- 2.Rd8#
- 1...Qb6!
- threat
- 1.Bd6?
- threat
- 2.Rd8#
- 2.Qg8#
- 1...Qxg2
- 2.Rd8#
- 1...Qxb7
- 2.Qxb7#
- 2.Qg8#
- 1...Sf3
- 2.Qg8#
- 1...Qe2
- 2.Rd8#
- 1...Qf2
- 2.Rd8#
- 1...Qb6!
- threat
- 1.Bc7?
- threat
- 2.Rd8#
- 2.Qg8#
- 1...Qxd4
- 2.Qg8#
- 1...Qxg2
- 2.Rd8#
- 1...Qa3
- 2.Rd8#
- 1...Qe2
- 2.Rd8#
- 1...Qf2
- 2.Rd8#
- 1...Qb4
- 2.Rd8#
- 1...Sf3!
- threat
- 1.Rd8?
- threat
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 1...Qxb7+
- 2.Bc7#
- 2.Qxb7#
- 1...Qxd4
- 2.Bd6#
- 1...Qb6
- 2.Bc7#
- 1...Sf3!
- threat
- 1.Sa5+?
- Keys
- 1.Qg8!
- threat
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 1...Qxh2+
- 2.Bxh2#
- 1...Sf3
- 2.Bg3#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 1...Qa3
- 2.Bd6#
- 1...Qe2
- 2.Be5#
- 1...Qf2
- 2.Bf4#
- 1...Qg2
- 2.Bg3#
- 1...Qb4
- 2.Bd6#
- 1...Qb6
- 2.Bc7#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- K(g);OGATEB,P-FLIGHT,XB(I)::QAR(C)
- Q(b);OGATE,P_PINR(G),P_SPINQ(b),XS(F)::QAB1(C),XQ(b)
- Tries
- Try
- S(F);CHECK
- Vars
- Q(b);P_SPINQ(b),XQ(C)::R1(G),XP(f)
- Q(b);N_GUARD,P_PINR(G),P_SPINQ(b)::QAB1(C),XQ(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(F);CHECK
- Vars
- Q(b);P_SPINQ(b),XQ(C)::R1(G),XP(f)
- Q(b);N_GUARD,P_PINR(G),P_SPINQ(b)::QAB1(C),XQ(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(F);CHECK
- Vars
- Q(b);P_SPINQ(b),XQ(C)::R1(G),XP(f)
- Q(b);N_GUARD,P_PINR(G),P_SPINQ(b)::QAB1(C),XQ(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(F);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINQ(b),XB(I)::QAR1(C)
- Q(b);P_SPINQ(b),XQ(C)::R1(G),XP(f)
- Q(b);N_GUARD,P_PINR(G),P_SPINQ(b)::QAB1(C),XQ(b)
- Refutation
- S(a);P_SPINS(a)
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(E)::QAR(C)
- Q(b);XQ(C)::R(G)
- S(a);::QAR(C)
- Q(b);::R(G)
- Refutation
- Q(b);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(E)::QAR(C)
- Q(b);XQ(C)::R(G)
- S(a);::QAR(C)
- Q(b);::R(G)
- Refutation
- Q(b);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XQ(C)::R(G)
- S(a);::QAR(C)
- Q(b);::R(G)
- Refutation
- Q(b);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(E)::QAR(C)
- Q(b);XQ(C)::R(G)
- Q(b);::R(G)
- Refutation
- S(a);
- Try
- R(G);
- Threat
- DUALS(5)
- Vars
- Q(b);XP(E)::R(G)+B(I)
- Q(b);::R(G)+B(I)
- Refutation
- S(a);
- Try
- Actual
- Q(C);
- Threat
- DUALS(5)
- Vars
- Q(b);CHECK,OGATE,XP(D)::QAR(C)+B(I),XQ(b)
- Q(b);::QAR(C)+B(I)
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