MESON Chess Problem Database

Problem Display
PID: 229091 (5Bb1/2pR4/r1PN4/p2kN1Rn/P4p2/2p5/K4Q2/8 w - - 0 1)

Rice, William Bayard

Chemnitzer Tageblatt, 1926

5Bb1/2pR4/r1PN4/p2kN1Rn/P4p2/2p5/K4Q2/8

#2

9 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4+?
      • 1...Ke6
        • 2.Re5#
        • 2.Qe1#
        • 2.Qe2#
      • 1...Kxc6+!
    • 1.Sdc4+?
      • 1...Ke4
        • 2.Rd4#
        • 2.Qe1#
        • 2.Qd4#
        • 2.Qc2#
        • 2.Qe2#
        • 2.Qf3#
      • 1...Ke6!
    • 1.Sdf7+?
      • 1...Ke4
        • 2.Rd4#
        • 2.Qe1#
        • 2.Qd4#
        • 2.Qe2#
        • 2.Qf3#
      • 1...Ke6!
    • 1.Qc5+?
      • 1...Kxc5+
        • 2.Sdc4#
      • 1...Ke6!
    • 1.Qf3+?
      • 1...Kd4+
        • 2.Sdf7#
      • 1...Kc5+
        • 2.Sdc4#
      • 1...Ke6!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qc4#
      • 1...Kd4+
        • 2.Sdf7#
      • 1...Kc5+
        • 2.Sdc4#
      • 1...Ke6
        • 2.Sg4#
      • 1...Rxc6
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(d);CHECK,S_FLIGHT,XP(F)
    • Try
      • S(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);CHECK,P-FLIGHT,XQ(B)::B(I)+S(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(d);CHECK,P-FLIGHT::R(H)+S(G)
        • K(d);CHECK,P-FLIGHT::B(I)+S(G)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • K(d);CHECK,P-FLIGHT::R(H)+S(G)
      • K(d);CHECK,P-FLIGHT::B(I)+S(G)
      • K(d);S_FLIGHT::QAR(B)+S(D)
      • R(f);SBLOCK,XP(F)::R(E)+S(D)
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