MESON Chess Problem Database
Problem Display
PID: 109300 (7b/3P1K2/rR1B4/1P1k4/4RQp1/2p1P3/b1B2rN1/4q3 w - - 0 1)
Salai (Snr), Ladislav
1st Prize, Martin-Zilina (Umenie 64), 1997
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.Sxe3#
- 1...Rxf4+
- 2.Sxf4#
- 1...Bb1
- 2.Bb3#
- 1...Bb3
- 2.Bxb3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Qxe3
- Tries
- 1.Bb4?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rxf4+
- 2.Sxf4#
- 1...Qxe3
- 2.Sxe3#
- 2.d8Q#
- 2.d8R#
- 1...Rxc2
- 2.d8Q#
- 2.d8R#
- 1...Rxg2
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Bd4
- 2.Rxd4#
- 1...Qd2
- 2.d8Q#
- 2.d8R#
- 1...Qa1
- 2.d8Q#
- 2.d8R#
- 1...Qb1
- 2.d8Q#
- 2.d8R#
- 1...Qc1
- 2.d8Q#
- 2.d8R#
- 1...Qd1
- 2.d8Q#
- 2.d8R#
- 1...Qf1
- 2.d8Q#
- 2.d8R#
- 1...Qg1
- 2.d8Q#
- 2.d8R#
- 1...Qh1
- 2.d8Q#
- 2.d8R#
- 1...Qe2
- 2.d8Q#
- 2.d8R#
- 1...Rf1
- 2.d8Q#
- 2.d8R#
- 1...Rd2
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Re2
- 2.Qd6#
- 2.d8Q#
- 2.d8R#
- 1...Rf3
- 2.d8Q#
- 2.d8R#
- 1...Ra3
- 2.Rd6#
- 2.d8Q#
- 2.d8R#
- 1...Ra4
- 2.Rd6#
- 2.d8Q#
- 2.d8R#
- 1...Ra5
- 2.Rd6#
- 2.d8Q#
- 2.d8R#
- 1...Ra7
- 2.Rd6#
- 1...Ra8
- 2.Rd6#
- 1...Bb1
- 2.Bb3#
- 2.d8Q#
- 2.d8R#
- 1...Bb3
- 2.Bxb3#
- 2.d8Q#
- 2.d8R#
- 1...Bc4
- 2.d8Q#
- 2.d8R#
- 1...Be5
- 2.Rxe5#
- 1...Bf6
- 2.Qd6#
- 1...Bg7
- 2.d8Q#
- 2.d8R#
- 1...g3
- 2.d8Q#
- 2.d8R#
- 1...Rxb6!
- threat
- 1.Ra4?
- threat
- 2.Be4#
- 1...Rxf4+
- 2.Sxf4#
- 1...Qxe3
- 2.Sxe3#
- 1...Rxc2
- 2.Qe4#
- 1...Qb1
- 2.e4#
- 1...Bb1
- 2.Bb3#
- 1...Rxa4!
- threat
- 1.Rc4?
- threat
- 2.Rc5#
- 1...Qxe3
- 2.Sxe3#
- 1...Bxc4
- 2.Be4#
- 1...Bd4
- 2.Rxd4#
- 1...Rxf4+!
- threat
- 1.Rc6?
- threat
- 2.Rc5#
- 1...Rxf4+
- 2.Sxf4#
- 1...Qxe3
- 2.Sxe3#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rxc6!
- threat
- 1.Qf3?
- threat
- 2.Sf4#
- 2.Rd4#
- 1...Qxe3
- 2.Sxe3#
- 1...Rxg2
- 2.Rd4#
- 2.Rxg4#
- 1...Rxb6
- 2.Rd4#
- 1...gxf3
- 2.Sf4#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rd4#
- 1...Rxf3+!
- threat
- 1.Qf5+?
- 1...Be5
- 2.Rd4#
- 1...Rxf5+!
- 1...Be5
- 1.Bb4?
- Keys
- 1.Rb4!
- threat
- 2.Be4#
- 1...Rxf4+
- 2.Sxf4#
- 1...Qxe3
- 2.Sxe3#
- 1...Rxc2
- 2.Qe4#
- 1...Qb1
- 2.e4#
- 1...Bb1
- 2.Bb3#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- Q(a);XP(C)::S(B),XQ(a)
- R(c);CHECK,XQ(E)::S(B),XR(c)
- B(b);N_GUARD::B(A)
- B(b);N_GUARD::B(A),XB(b)
- B(h);N_GUARD::R1(D),XB(h)
- Tries
- Try
- B(H);
- Threat
- P=Q
- Vars
- R(c);CHECK,XQ(E)::S(B),XR(c)
- R(c);N_PINQ(E),XB(A)::P=Q
- B(h);N_GUARD::R1(D),XB(h)
- Q(a);::P=Q
- R(c);::P=Q
- R(g);N_GUARD,P_PINP(I)::R1(G)
- R(g);N_GUARD::R1(G)
- B(b);::P=Q
- B(h);N_PINQ(E)::QAR1(E)
- B(h);::P=Q
- P(e);::P=Q
- Refutation
- R(g);XR(G)
- Try
- R(D);
- Threat
- B(A)
- Vars
- R(c);CHECK,XQ(E)::S(B),XR(c)
- Q(a);XP(C)::S(B),XQ(a)
- R(c);N_PINQ(E),XB(A)::QAB1(E)
- Q(a);N_GUARD::P(C)
- B(b);N_GUARD::B(A)
- Refutation
- R(g);XR(D)
- Try
- R(D);
- Threat
- R1(D)
- Vars
- Q(a);XP(C)::S(B),XQ(a)
- B(b);SBLOCK,XR(D)::B(A)
- B(h);N_GUARD::R1(D),XB(h)
- Refutation
- R(c);CHECK,XQ(E)
- Try
- R(G);
- Threat
- R1(G)
- Vars
- R(c);CHECK,XQ(E)::S(B),XR(c)
- Q(a);XP(C)::S(B),XQ(a)
- B(h);N_GUARD::R1(D),XB(h)
- Refutation
- R(g);XR(G)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(C)::S(B),XQ(a)
- R(g);XR(G)::QAB(E)+R(D),DCHECK
- P(e);XQ(E)::S(B)
- B(h);::QAB(E)+R(D),DCHECK,XB(h)
- B(h);::QAB(E)+R(D),DCHECK
- Refutation
- R(c);CHECK,XQ(E)
- Try
- Q(E);CHECK
- Vars
- B(h);P_SPINB(h)::R1(D)
- Refutation
- R(c);CHECK,XQ(E)
- Try
- Actual
- R(D);
- Threat
- B(A)
- Vars
- R(c);CHECK,XQ(E)::S(B),XR(c)
- Q(a);XP(C)::S(B),XQ(a)
- R(c);N_PINQ(E),XB(A)::QAB1(E)
- Q(a);N_GUARD::P(C)
- B(b);N_GUARD::B(A)
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