MESON Chess Problem Database
Problem Display
PID: 136829 (8/2N5/1p2rR1B/1KN5/1p1k3n/R2P1rQb/3P2B1/7n w - - 0 1)
Grzankowski, Waclaw
8th HM., Parallele 50, 1947/IV
#2
10 + 8
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Sb3#
- 1...Rf2
- 2.Sb3#
- 1...Rxd3
- 2.Rxd3#
- 1...Rf5
- 2.Sxe6#
- 1...Rfxf6
- 2.Sb3#
- 1...Re1
- 2.Rd6#
- 2.Qd6#
- 1...Re2
- 2.Rd6#
- 2.Qd6#
- 1...Re3
- 2.Rd6#
- 2.Qd6#
- 1...Re4
- 2.Rd6#
- 2.Qd6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re7
- 2.Rd6#
- 2.Qd6#
- 1...Re8
- 2.Rd6#
- 2.Qd6#
- 1...Bxg2
- 2.S5xe6#
- 1...Sf5
- 2.S5xe6#
- 1...b3
- 2.Ra4#
- 1...Rf1
- Tries
- 1.Be3+?
- 1...Rexe3
- 2.Rd6#
- 2.Qd6#
- 1...Rfxe3!
- 1...Rexe3
- 1.Rf5?
- threat
- 2.S5xe6#
- 2.S7xe6#
- 2.Rd5#
- 1...Rxf5
- 2.Sxe6#
- 1...Rxh6
- 2.Rd5#
- 2.Qe5#
- 1...Sxf5
- 2.S5xe6#
- 1...bxa3
- 2.S7xe6#
- 2.Rd5#
- 1...bxc5
- 2.Sxe6#
- 2.Rd5#
- 1...Rfe3
- 2.Rd5#
- 1...Re1
- 2.Rd5#
- 2.Qd6#
- 1...Re2
- 2.Rd5#
- 2.Qd6#
- 1...Ree3
- 2.Rd5#
- 2.Qd6#
- 1...Re4
- 2.Rd5#
- 2.Qd6#
- 1...Re5
- 2.Qxe5#
- 1...Rc6
- 2.Rd5#
- 2.Qe5#
- 1...Rd6
- 2.Qe5#
- 2.Qxd6#
- 1...Rf6
- 2.Rd5#
- 2.Qe5#
- 1...Rg6
- 2.Rd5#
- 2.Qe5#
- 1...Re7
- 2.Rd5#
- 2.Qd6#
- 1...Re8
- 2.Rd5#
- 2.Qd6#
- 1...b3
- 2.S7xe6#
- 2.Ra4#
- 2.Rd5#
- 1...Bxf5!
- threat
- 1.Rxe6?
- threat
- 2.Re4#
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Rxg3
- 2.Re4#
- 1...Bxe6
- 2.S5xe6#
- 1...Re3
- 2.Bxe3#
- 2.Rd6#
- 2.Qd6#
- 2.Qxe3#
- 2.dxe3#
- 1...Rf4
- 2.Sb3#
- 2.Qxf4#
- 2.Qe3#
- 1...Rf5
- 2.Be3#
- 2.Re4#
- 2.Qe3#
- 1...Rf6
- 2.Sb3#
- 2.Be3#
- 2.Re4#
- 2.Qe5#
- 2.Qd6#
- 2.Qe3#
- 1...Bf5
- 2.Bg7#
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 2.Qg7#
- 1...Sf2
- 2.Rd6#
- 2.Qe5#
- 2.Qd6#
- 1...Sf5
- 2.Re4#
- 2.Qe5#
- 1...Sg6
- 2.Re4#
- 2.Rd6#
- 2.Qd6#
- 1...Sxg3!
- threat
- 1.Qf4+?
- 1...Re4
- 2.Rd6#
- 2.Qd6#
- 2.Qxe4#
- 1...Rxf4!
- 1...Re4
- 1.Be3+?
- Keys
- 1.Bg7!
- threat
- 2.Rf4#
- 1...Rfxf6
- 2.Sb3#
- 1...Rexf6
- 2.Qd6#
- 1...Rf4
- 2.Rxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Re5
- 2.Rd6#
- 1...Bf5
- 2.Rxe6#
- 1...Sf5
- 2.S5xe6#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(b);::S(G)
- R(b);OGATE,XP(D)::R1(C),XR(b)
- R(b);P_PINS(G),S_CUTB(c)::S(J),XR(h)
- R(b);XR(H)::S(G)
- B(c);N_GUARD,XB(B)::S(G),XR(h)
- S(f);S_CUTB(c)::S(G),XR(h)
- P(d);OGATEB::R(C)
- Tries
- Try
- B(I);CHECK
- Refutation
- R(b);XB(I)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- R(b);P_PINS(G),XR(H)::S(J),XR(h)
- S(f);XR(H)::S(G),XR(h)
- R(b);::R1(H)
- R(h);N_GUARD,P_PINS(G)::QAB1(E),XR(h)
- Refutation
- B(c);XR(H)
- Try
- R(H);XR(h)
- Threat
- DUALS(4)
- Vars
- R(b);XQ(E)::R1(H)
- B(c);XR(H)::S(G),XB(c)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);CHECK
- Refutation
- R(b);XQ(E)
- Try
- Actual
- B(I);
- Threat
- B(I)+R(H),DCHECK
- Vars
- R(b);P_SPINR(b),XR(H)::S(G)
- R(h);N_GUARD,P_SPINR(h),XR(H)::QAR2(E)
- R(b);::B(I)+R(H),DCHECK,XR(b)
- R(b);P_PINS(G),S_CUTB(c)::S(J),XR(h)
- R(h);OGATE,P_PINS(G)::R(H)
- B(c);S_CUTR(b)::B(I)+R(H),XR(h)
- S(f);S_CUTB(c)::S(G),XR(h)
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