MESON Chess Problem Database
Problem Display
PID: 172120 (8/pR4BR/k3p2p/P2B4/Kp1p3r/p1P3r1/2Q1P3/6b1 w - - 0 1)
Apro, Laszlo
1st HM., Schach-Echo, 1978
#2
9 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 1...Rgg4
- 2.Qd3#
- 1...Rg5
- 2.Qd3#
- 1...Rg6
- 2.Qd3#
- 1...Rxg7
- 2.Qd3#
- 1...Be3
- 2.Qd3#
- 1...Rg2
- Tries
- 1.Rxb4?
- threat
- 2.Bc4#
- 2.Bb7#
- 1...Rxc3
- 2.Bb7#
- 1...Rxg7
- 2.Bc4#
- 2.Qd3#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Qd3#
- 1...Rh5
- 2.Bb7#
- 1...exd5!
- threat
- 1.Rc7?
- threat
- 2.Bc4#
- 2.Bb7#
- 1...Rxc3
- 2.Bb7#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Qd3#
- 1...Rh5
- 2.Bb7#
- 1...exd5!
- threat
- 1.Rd7?
- threat
- 2.Bc4#
- 2.Bb7#
- 2.Rd6#
- 1...Rxc3
- 2.Bb7#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Rd6#
- 2.Qd3#
- 1...Rh5
- 2.Bb7#
- 2.Rd6#
- 1...exd5!
- threat
- 1.Re7?
- threat
- 2.Bc4#
- 2.Bb7#
- 2.Rxe6#
- 1...Rxc3
- 2.Bb7#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Re3
- 2.Bc4#
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Rxe6#
- 2.Qd3#
- 1...Rg6
- 2.Bc4#
- 2.Bb7#
- 2.Qd3#
- 1...Re4
- 2.Bc4#
- 2.Bb7#
- 1...Rh5
- 2.Bb7#
- 2.Rxe6#
- 1...e5
- 2.Bc4#
- 2.Bb7#
- 2.Re6#
- 1...exd5!
- threat
- 1.Rf7?
- threat
- 2.Bc4#
- 2.Bb7#
- 1...Rxc3
- 2.Bb7#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Qd3#
- 1...Rh5
- 2.Bb7#
- 1...exd5!
- threat
- 1.Rb8?
- threat
- 2.Bc4#
- 2.Bb7#
- 1...Rxc3
- 2.Bb7#
- 1...Rxg7
- 2.Bc4#
- 2.Qd3#
- 1...dxc3
- 2.Bb7#
- 1...d3
- 2.Bb7#
- 1...Rg5
- 2.Bb7#
- 2.Qd3#
- 1...Rh5
- 2.Bb7#
- 1...exd5!
- threat
- 1.cxb4?
- threat
- 2.Qc4#
- 2.Qc6#
- 2.b5#
- 1...exd5
- 2.Qc6#
- 1...Rb3
- 2.Qc4#
- 2.Qc6#
- 1...Rc3
- 2.b5#
- 1...d3!
- threat
- 1.cxd4?
- threat
- 2.Qc4#
- 2.Qc6#
- 1...Rxd4
- 2.Qc6#
- 1...Bxd4
- 2.Qc4#
- 1...exd5
- 2.Qc6#
- 1...Rc3!
- threat
- 1.Rxb4?
- Keys
- 1.Bxd4!
- threat
- 2.Bc4#
- 2.Rxa7#
- 1...Rxc3
- 2.Rxa7#
- 1...Rxd4
- 2.Rxa7#
- 1...Bxd4
- 2.Bc4#
- 1...exd5
- 2.Rxa7#
- 1...Rg5
- 2.Rxa7#
- 2.Qd3#
- 1...Rg7
- 2.Qd3#
- 1...Rh5
- 2.Rxa7#
- threat
- 1.Bxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 6
- Sets
- R(c);N_GUARD::QAB(A)
- R(c);N_GUARD::QAB(A),XR(c)
- R(c);N_GUARD,XB(H)::QAB(A)
- B(a);S_CUTR(c)::QAB(A)
- Tries
- Try
- R(G);XP(d)
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::B(F)
- P(e);P_PINR(G),XP(C)::B(F)
- P(e);P_PINR(G)::B(F)
- R(f);SBLOCK::B(F)
- Refutation
- P(h);XB(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::B(F)
- P(e);XP(C)::B(F)
- P(e);::B(F)
- R(f);SBLOCK::B(F)
- Refutation
- P(h);XB(F)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- R(c);XP(C)::B(F)
- P(e);XP(C)::B(F)
- P(e);::B(F)
- Refutation
- P(h);XB(F)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- R(c);XP(C)::B(F)
- P(e);XP(C)::B(F)
- P(e);::B(F)
- Refutation
- P(h);XB(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::B(F)
- P(e);XP(C)::B(F)
- P(e);::B(F)
- R(f);SBLOCK::B(F)
- Refutation
- P(h);XB(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::B(F)
- P(e);XP(C)::B(F)
- P(e);::B(F)
- R(f);SBLOCK::B(F)
- Refutation
- P(h);XB(F)
- Try
- P(C);XP(d)
- Threat
- DUALS(3)
- Vars
- P(h);XB(F)::QAR2(A)
- R(c);::P(C)
- Refutation
- P(e);P_PINP(C)
- Try
- P(C);XP(e)
- Threat
- DUALS(2)
- Vars
- R(f);XP(C)::QAR2(A)
- B(a);XP(C)::QAB(A)
- P(h);XB(F)::QAR2(A)
- Refutation
- R(c);
- Try
- Actual
- B(H);XP(e)
- Threat
- DUALS(2)
- Vars
- R(c);XP(C)::R1(G),XP(j)
- R(f);XB(H)::R1(G),XP(j)
- B(a);XB(H)::B(F)
- P(h);XB(F)::R1(G),XP(j)
- R(c);N_GUARD::QAB(A)
- R(f);SBLOCK::R1(G),XP(j)
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