MESON Chess Problem Database
Problem Display
PID: 110202 (3b4/1p5N/q3pRn1/1N1bB2R/r3kp2/r5p1/p3P3/K5Q1 w - - 0 1)
Labai, Zoltan
Polish Chess Federation and Gdynia-60 JT, 1986
#2
8 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa5
- 2.Sd6#
- 1...Qd6
- 2.Sxd6#
- 1...Qa7
- 2.Sd6#
- 1...Qa8
- 2.Sd6#
- 1...Rc3
- 2.Sxc3#
- 1...Rd4
- 2.Qxd4#
- 1...Ra5
- 2.Qd4#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Qd4#
- 1...Bb6
- 2.Sd6#
- 1...Bxf6
- 2.Sxf6#
- 1...Sh4
- 2.Rxf4#
- 1...Sxe5
- 2.Sg5#
- 1...Se7
- 2.Rxf4#
- 1...Sf8
- 2.Rxf4#
- 1...Sh8
- 2.Rxf4#
- 1...b6
- 2.Sd6#
- 1...Qa5
- Tries
- 1.Bc3?
- threat
- 2.Sg5#
- 1...Rxc3
- 2.Sxc3#
- 1...Bxf6
- 2.Sxf6#
- 1...Rd4
- 2.Qxd4#
- 1...Bc4
- 2.Qd4#
- 1...Bc6
- 2.Sd6#
- 1...Bb3!
- threat
- 1.Bd4?
- threat
- 2.Sg5#
- 1...Rxd4
- 2.Qxd4#
- 1...Bxf6
- 2.Sxf6#
- 1...Bb3
- 2.Sc3#
- 1...Bc6
- 2.Sd6#
- 1...Bc4!
- threat
- 1.Bd6?
- threat
- 2.Sg5#
- 1...Bxf6+
- 2.Sxf6#
- 1...Qxd6
- 2.Sxd6#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Qd4#
- 1...Bc6!
- threat
- 1.Bc7?
- threat
- 2.Sg5#
- 1...Bxf6+
- 2.Sxf6#
- 1...Qd6
- 2.Sxd6#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Qd4#
- 1...Bc6
- 2.Sd6#
- 1...Bxc7!
- threat
- 1.Bb8?
- threat
- 2.Sg5#
- 1...Bxf6+
- 2.Sxf6#
- 1...Qd6
- 2.Sxd6#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Qd4#
- 1...Bc6
- 2.Sd6#
- 1...Bc7!
- threat
- 1.Bc3?
- Keys
- 1.Bb2!
- threat
- 2.Sg5#
- 1...Bxf6
- 2.Sxf6#
- 1...Rc3
- 2.Sxc3#
- 1...Rd4
- 2.Qxd4#
- 1...Bb3
- 2.Sc3#
- 1...Bc4
- 2.Qd4#
- 1...Bc6
- 2.Sd6#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(h);N_GUARD::S(D)
- Q(h);N_GUARD::S(D),XQ(h)
- R(b);N_GUARD::S(D),XR(b)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);N_GUARD::QAR1(B)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTR(d)::QAR1(B)
- B(l);S_CUTQ(h)::S(D)
- B(l);P_PINB(E),XR(G)::S(H),XB(l)
- S(j);N_GUARD::R1(G),XP(f)
- S(j);SBLOCK,XB(E)::S(H)
- P(k);S_CUTQ(h)::S(D)
- Tries
- Try
- B(E);
- Threat
- S(H)
- Vars
- R(b);XB(E)::S(D),XR(b)
- B(l);P_PINB(E),XR(G)::S(H),XB(l)
- R(d);N_GUARD::QAR1(B),XR(d)
- B(g);S_CUTR(d)::QAR1(B)
- B(g);S_CUTQ(h)::S(D)
- Refutation
- B(g);
- Try
- B(E);
- Threat
- S(H)
- Vars
- R(d);OGATE,XB(E)::QAR1(B),XR(d)
- B(l);P_PINB(E),XR(G)::S(H),XB(l)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTQ(h)::S(D)
- Refutation
- B(g);
- Try
- B(E);
- Threat
- S(H)
- Vars
- B(l);CHECK,XR(G)::S(H),XB(l)
- Q(h);XB(E)::S(D),XQ(h)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTR(d)::QAR1(B)
- Refutation
- B(g);
- Try
- B(E);
- Threat
- S(H)
- Vars
- B(l);CHECK,XR(G)::S(H),XB(l)
- Q(h);N_GUARD::S(D),XQ(h)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTR(d)::QAR1(B)
- B(g);S_CUTQ(h)::S(D)
- Refutation
- B(l);XB(E)
- Try
- B(E);
- Threat
- S(H)
- Vars
- B(l);CHECK,XR(G)::S(H),XB(l)
- Q(h);N_GUARD::S(D),XQ(h)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTR(d)::QAR1(B)
- B(g);S_CUTQ(h)::S(D)
- Refutation
- B(l);
- Try
- Actual
- B(E);
- Threat
- S(H)
- Vars
- B(l);P_PINB(E),XR(G)::S(H),XB(l)
- R(b);N_GUARD::S(D),XR(b)
- R(d);N_GUARD::QAR1(B),XR(d)
- B(g);S_CUTR(b)::S(D)
- B(g);S_CUTR(d)::QAR1(B)
- B(g);S_CUTQ(h)::S(D)
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