MESON Chess Problem Database
Problem Display
PID: 278181 (3K4/3P4/P2kpp2/1p1r1b1R/1P5p/2p1Q2P/2N4p/7B w - - 0 1)
Grunfeld, Max
Western Morning News, 1927
(First published on Sat Aug 6 1927)
#2
9 + 9
| 5380 | Valadao Monteiro Ty. | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Qc5#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bxc2
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Bxh3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Kc6
- Tries
- 1.Sa1?
- 1...Kc6
- 2.Qc5#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bb1
- 2.Qb6#
- 1...Bc2
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...c2!
- 1...Kc6
- 1.Se1?
- 1...Kc6
- 2.Qc5#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bb1
- 2.Qb6#
- 1...Bc2
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...c2!
- 1...Kc6
- 1.Sa3?
- 1...Kc6
- 2.Qc5#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Rd1
- 2.Sxb5#
- 2.Qc5#
- 1...Rd2
- 2.Sxb5#
- 2.Qc5#
- 1...Rd3
- 2.Sxb5#
- 2.Qc5#
- 1...Rd4
- 2.Sxb5#
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bb1
- 2.Qb6#
- 1...Bc2
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...c2!
- 1...Kc6
- 1.Rg5?
- 1...Kc6
- 2.Qc5#
- 1...Bxc2
- 2.Qb6#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...fxg5!
- 1...Kc6
- 1.Qd4?
- 1...Kc6
- 2.Qc5#
- 1...Bxc2
- 2.Qb6#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 2.Qxd5#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...Rxd4!
- 1...Kc6
- 1.Qa7?
- threat
- 2.Qc7#
- 1...Kc6
- 2.Qc5#
- 2.Qc7#
- 1...Rc5
- 2.Qxc5#
- 1...e5
- 2.Qb6#
- 1...Ke5!
- threat
- 1.Qxc3?
- threat
- 2.Qc7#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...e5!
- threat
- 1.a7?
- 1...Bxc2
- 2.Qb6#
- 1...Bxh3
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 2.bxc5#
- 1...Re5
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...Kc6!
- 1...Bxc2
- 1.Sa1?
- Keys
- 1.Qf2!
- 1...Ke5
- 2.Qxh2#
- 1...Kc6
- 2.Qc5#
- 1...Bxc2
- 2.Qb6#
- 1...Bxh3
- 2.Qb6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Rd4
- 2.Qxd4#
- 1...Rc5
- 2.Qxc5#
- 1...Re5
- 2.Qb6#
- 1...Bd3
- 2.Qb6#
- 1...Be4
- 2.Qb6#
- 1...Bg4
- 2.Qb6#
- 1...Bg6
- 2.Qb6#
- 1...Bh7
- 2.Qb6#
- 1...e5
- 2.Qb6#
- 1...Ke5
- 1.Qf2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);XS(B)::QAR2(C)
- B(f);::QAR2(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- Tries
- Try
- S(B);
- Vars
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- P(b);
- Try
- S(B);
- Vars
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- P(b);
- Try
- S(B);
- Vars
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- P(b);
- Try
- R(F);
- Vars
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- B(f);XS(B)::QAR2(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- P(i);XR(F)
- Try
- Q(C);P_PINR(e)
- Vars
- K(g);N_GUARD,P-FLIGHT,P_PINP(H)::QAR1(C)
- B(f);XS(B)::QAR2(C)
- B(f);XP(D)::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- R(e);N_SPINR(e),XQ(C)
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- R(e);N_GUARD::QAB1(C),XR(e)
- P(h);SBLOCK::QAR2(C)
- Refutation
- K(g);P_PINP(H),P_SPINB(f),S_FLIGHT
- Try
- Q(C);XP(b)
- Threat
- QAB1(C)
- Refutation
- P(h);
- Try
- P(G);
- Vars
- B(f);XS(B)::QAR2(C)
- B(f);XP(D)::QAR2(C)
- P(h);SBLOCK::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- Refutation
- K(g);P-FLIGHT,P_PINP(H),P_SPINR(e)
- Try
- Actual
- Q(C);
- Vars
- K(g);N_GUARD,P_PINP(H),P_SPINB(f),S_CUTP(h),S_CUTR(e),S_FLIGHT::QAB(C),XP(a)
- K(g);N_GUARD,P-FLIGHT,P_PINP(H),P_SPINR(e)::QAR1(C)
- B(f);XS(B)::QAR2(C)
- B(f);XP(D)::QAR2(C)
- R(e);N_GUARD::QAB1(C)
- R(e);OGATEB::QAR2(C),XR(e)
- R(e);N_GUARD::QAB1(C),XR(e)
- R(e);SBLOCK::QAR2(C)
- B(f);::QAR2(C)
- P(h);SBLOCK::QAR2(C)
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